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-rw-r--r--fs/ufs/Kconfig3
-rw-r--r--fs/ufs/balloc.c65
-rw-r--r--fs/ufs/dir.c28
-rw-r--r--fs/ufs/file.c8
-rw-r--r--fs/ufs/ialloc.c29
-rw-r--r--fs/ufs/inode.c127
-rw-r--r--fs/ufs/namei.c74
-rw-r--r--fs/ufs/super.c275
-rw-r--r--fs/ufs/truncate.c8
-rw-r--r--fs/ufs/ufs.h22
-rw-r--r--fs/ufs/ufs_fs.h1
-rw-r--r--fs/ufs/util.c3
-rw-r--r--fs/ufs/util.h2
13 files changed, 299 insertions, 346 deletions
diff --git a/fs/ufs/Kconfig b/fs/ufs/Kconfig
index 30c8f223253..0bf6e16f8d7 100644
--- a/fs/ufs/Kconfig
+++ b/fs/ufs/Kconfig
@@ -1,7 +1,6 @@
config UFS_FS
tristate "UFS file system support (read only)"
depends on BLOCK
- depends on BKL # probably fixable
help
BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD,
OpenBSD and NeXTstep) use a file system called UFS. Some System V
@@ -30,7 +29,7 @@ config UFS_FS
config UFS_FS_WRITE
bool "UFS file system write support (DANGEROUS)"
- depends on UFS_FS && EXPERIMENTAL
+ depends on UFS_FS
help
Say Y here if you want to try writing to UFS partitions. This is
experimental, so you should back up your UFS partitions beforehand.
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index 46f7a807bbc..7bc20809c99 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -24,7 +24,7 @@
#define INVBLOCK ((u64)-1L)
-static u64 ufs_add_fragments(struct inode *, u64, unsigned, unsigned, int *);
+static u64 ufs_add_fragments(struct inode *, u64, unsigned, unsigned);
static u64 ufs_alloc_fragments(struct inode *, unsigned, u64, unsigned, int *);
static u64 ufs_alloccg_block(struct inode *, struct ufs_cg_private_info *, u64, int *);
static u64 ufs_bitmap_search (struct super_block *, struct ufs_cg_private_info *, u64, unsigned);
@@ -38,7 +38,6 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
- struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
unsigned cgno, bit, end_bit, bbase, blkmap, i;
@@ -46,7 +45,6 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
- usb1 = ubh_get_usb_first(uspi);
UFSD("ENTER, fragment %llu, count %u\n",
(unsigned long long)fragment, count);
@@ -54,7 +52,7 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
if (ufs_fragnum(fragment) + count > uspi->s_fpg)
ufs_error (sb, "ufs_free_fragments", "internal error");
- lock_super(sb);
+ lock_ufs(sb);
cgno = ufs_dtog(uspi, fragment);
bit = ufs_dtogd(uspi, fragment);
@@ -116,14 +114,14 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
if (sb->s_flags & MS_SYNCHRONOUS)
ubh_sync_block(UCPI_UBH(ucpi));
- sb->s_dirt = 1;
+ ufs_mark_sb_dirty(sb);
- unlock_super (sb);
+ unlock_ufs(sb);
UFSD("EXIT\n");
return;
failed:
- unlock_super (sb);
+ unlock_ufs(sb);
UFSD("EXIT (FAILED)\n");
return;
}
@@ -135,7 +133,6 @@ void ufs_free_blocks(struct inode *inode, u64 fragment, unsigned count)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
- struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
unsigned overflow, cgno, bit, end_bit, i;
@@ -143,7 +140,6 @@ void ufs_free_blocks(struct inode *inode, u64 fragment, unsigned count)
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
- usb1 = ubh_get_usb_first(uspi);
UFSD("ENTER, fragment %llu, count %u\n",
(unsigned long long)fragment, count);
@@ -155,7 +151,7 @@ void ufs_free_blocks(struct inode *inode, u64 fragment, unsigned count)
goto failed;
}
- lock_super(sb);
+ lock_ufs(sb);
do_more:
overflow = 0;
@@ -214,13 +210,13 @@ do_more:
goto do_more;
}
- sb->s_dirt = 1;
- unlock_super (sb);
+ ufs_mark_sb_dirty(sb);
+ unlock_ufs(sb);
UFSD("EXIT\n");
return;
failed_unlock:
- unlock_super (sb);
+ unlock_ufs(sb);
failed:
UFSD("EXIT (FAILED)\n");
return;
@@ -361,7 +357,7 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
usb1 = ubh_get_usb_first(uspi);
*err = -ENOSPC;
- lock_super (sb);
+ lock_ufs(sb);
tmp = ufs_data_ptr_to_cpu(sb, p);
if (count + ufs_fragnum(fragment) > uspi->s_fpb) {
@@ -382,19 +378,19 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
"fragment %llu, tmp %llu\n",
(unsigned long long)fragment,
(unsigned long long)tmp);
- unlock_super(sb);
+ unlock_ufs(sb);
return INVBLOCK;
}
if (fragment < UFS_I(inode)->i_lastfrag) {
UFSD("EXIT (ALREADY ALLOCATED)\n");
- unlock_super (sb);
+ unlock_ufs(sb);
return 0;
}
}
else {
if (tmp) {
UFSD("EXIT (ALREADY ALLOCATED)\n");
- unlock_super(sb);
+ unlock_ufs(sb);
return 0;
}
}
@@ -403,7 +399,7 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
* There is not enough space for user on the device
*/
if (!capable(CAP_SYS_RESOURCE) && ufs_freespace(uspi, UFS_MINFREE) <= 0) {
- unlock_super (sb);
+ unlock_ufs(sb);
UFSD("EXIT (FAILED)\n");
return 0;
}
@@ -424,12 +420,11 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
ufs_cpu_to_data_ptr(sb, p, result);
*err = 0;
UFS_I(inode)->i_lastfrag =
- max_t(u32, UFS_I(inode)->i_lastfrag,
- fragment + count);
+ max(UFS_I(inode)->i_lastfrag, fragment + count);
ufs_clear_frags(inode, result + oldcount,
newcount - oldcount, locked_page != NULL);
}
- unlock_super(sb);
+ unlock_ufs(sb);
UFSD("EXIT, result %llu\n", (unsigned long long)result);
return result;
}
@@ -437,13 +432,14 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
/*
* resize block
*/
- result = ufs_add_fragments (inode, tmp, oldcount, newcount, err);
+ result = ufs_add_fragments(inode, tmp, oldcount, newcount);
if (result) {
*err = 0;
- UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count);
+ UFS_I(inode)->i_lastfrag = max(UFS_I(inode)->i_lastfrag,
+ fragment + count);
ufs_clear_frags(inode, result + oldcount, newcount - oldcount,
locked_page != NULL);
- unlock_super(sb);
+ unlock_ufs(sb);
UFSD("EXIT, result %llu\n", (unsigned long long)result);
return result;
}
@@ -479,8 +475,9 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
uspi->s_sbbase + result, locked_page);
ufs_cpu_to_data_ptr(sb, p, result);
*err = 0;
- UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count);
- unlock_super(sb);
+ UFS_I(inode)->i_lastfrag = max(UFS_I(inode)->i_lastfrag,
+ fragment + count);
+ unlock_ufs(sb);
if (newcount < request)
ufs_free_fragments (inode, result + newcount, request - newcount);
ufs_free_fragments (inode, tmp, oldcount);
@@ -488,17 +485,16 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment,
return result;
}
- unlock_super(sb);
+ unlock_ufs(sb);
UFSD("EXIT (FAILED)\n");
return 0;
}
static u64 ufs_add_fragments(struct inode *inode, u64 fragment,
- unsigned oldcount, unsigned newcount, int *err)
+ unsigned oldcount, unsigned newcount)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
- struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
unsigned cgno, fragno, fragoff, count, fragsize, i;
@@ -508,7 +504,6 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment,
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
- usb1 = ubh_get_usb_first (uspi);
count = newcount - oldcount;
cgno = ufs_dtog(uspi, fragment);
@@ -556,7 +551,7 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment,
ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
if (sb->s_flags & MS_SYNCHRONOUS)
ubh_sync_block(UCPI_UBH(ucpi));
- sb->s_dirt = 1;
+ ufs_mark_sb_dirty(sb);
UFSD("EXIT, fragment %llu\n", (unsigned long long)fragment);
@@ -576,7 +571,6 @@ static u64 ufs_alloc_fragments(struct inode *inode, unsigned cgno,
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
- struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
unsigned oldcg, i, j, k, allocsize;
@@ -587,7 +581,6 @@ static u64 ufs_alloc_fragments(struct inode *inode, unsigned cgno,
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
- usb1 = ubh_get_usb_first(uspi);
oldcg = cgno;
/*
@@ -676,7 +669,7 @@ succed:
ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
if (sb->s_flags & MS_SYNCHRONOUS)
ubh_sync_block(UCPI_UBH(ucpi));
- sb->s_dirt = 1;
+ ufs_mark_sb_dirty(sb);
result += cgno * uspi->s_fpg;
UFSD("EXIT3, result %llu\n", (unsigned long long)result);
@@ -689,7 +682,6 @@ static u64 ufs_alloccg_block(struct inode *inode,
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
- struct ufs_super_block_first * usb1;
struct ufs_cylinder_group * ucg;
u64 result, blkno;
@@ -697,7 +689,6 @@ static u64 ufs_alloccg_block(struct inode *inode,
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
- usb1 = ubh_get_usb_first(uspi);
ucg = ubh_get_ucg(UCPI_UBH(ucpi));
if (goal == 0) {
@@ -793,7 +784,6 @@ static u64 ufs_bitmap_search(struct super_block *sb,
0x0, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe
};
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
- struct ufs_super_block_first *usb1;
struct ufs_cylinder_group *ucg;
unsigned start, length, loc;
unsigned pos, want, blockmap, mask, end;
@@ -802,7 +792,6 @@ static u64 ufs_bitmap_search(struct super_block *sb,
UFSD("ENTER, cg %u, goal %llu, count %u\n", ucpi->c_cgx,
(unsigned long long)goal, count);
- usb1 = ubh_get_usb_first (uspi);
ucg = ubh_get_ucg(UCPI_UBH(ucpi));
if (goal)
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index dbc90994715..0ecc2cebed8 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -430,16 +430,16 @@ ufs_validate_entry(struct super_block *sb, char *base,
* This is blatantly stolen from ext2fs
*/
static int
-ufs_readdir(struct file *filp, void *dirent, filldir_t filldir)
+ufs_readdir(struct file *file, struct dir_context *ctx)
{
- loff_t pos = filp->f_pos;
- struct inode *inode = filp->f_path.dentry->d_inode;
+ loff_t pos = ctx->pos;
+ struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
unsigned int offset = pos & ~PAGE_CACHE_MASK;
unsigned long n = pos >> PAGE_CACHE_SHIFT;
unsigned long npages = ufs_dir_pages(inode);
unsigned chunk_mask = ~(UFS_SB(sb)->s_uspi->s_dirblksize - 1);
- int need_revalidate = filp->f_version != inode->i_version;
+ int need_revalidate = file->f_version != inode->i_version;
unsigned flags = UFS_SB(sb)->s_flags;
UFSD("BEGIN\n");
@@ -457,16 +457,16 @@ ufs_readdir(struct file *filp, void *dirent, filldir_t filldir)
ufs_error(sb, __func__,
"bad page in #%lu",
inode->i_ino);
- filp->f_pos += PAGE_CACHE_SIZE - offset;
+ ctx->pos += PAGE_CACHE_SIZE - offset;
return -EIO;
}
kaddr = page_address(page);
if (unlikely(need_revalidate)) {
if (offset) {
offset = ufs_validate_entry(sb, kaddr, offset, chunk_mask);
- filp->f_pos = (n<<PAGE_CACHE_SHIFT) + offset;
+ ctx->pos = (n<<PAGE_CACHE_SHIFT) + offset;
}
- filp->f_version = inode->i_version;
+ file->f_version = inode->i_version;
need_revalidate = 0;
}
de = (struct ufs_dir_entry *)(kaddr+offset);
@@ -479,11 +479,8 @@ ufs_readdir(struct file *filp, void *dirent, filldir_t filldir)
return -EIO;
}
if (de->d_ino) {
- int over;
unsigned char d_type = DT_UNKNOWN;
- offset = (char *)de - kaddr;
-
UFSD("filldir(%s,%u)\n", de->d_name,
fs32_to_cpu(sb, de->d_ino));
UFSD("namlen %u\n", ufs_get_de_namlen(sb, de));
@@ -491,16 +488,15 @@ ufs_readdir(struct file *filp, void *dirent, filldir_t filldir)
if ((flags & UFS_DE_MASK) == UFS_DE_44BSD)
d_type = de->d_u.d_44.d_type;
- over = filldir(dirent, de->d_name,
+ if (!dir_emit(ctx, de->d_name,
ufs_get_de_namlen(sb, de),
- (n<<PAGE_CACHE_SHIFT) | offset,
- fs32_to_cpu(sb, de->d_ino), d_type);
- if (over) {
+ fs32_to_cpu(sb, de->d_ino),
+ d_type)) {
ufs_put_page(page);
return 0;
}
}
- filp->f_pos += fs16_to_cpu(sb, de->d_reclen);
+ ctx->pos += fs16_to_cpu(sb, de->d_reclen);
}
ufs_put_page(page);
}
@@ -660,7 +656,7 @@ not_empty:
const struct file_operations ufs_dir_operations = {
.read = generic_read_dir,
- .readdir = ufs_readdir,
+ .iterate = ufs_readdir,
.fsync = generic_file_fsync,
.llseek = generic_file_llseek,
};
diff --git a/fs/ufs/file.c b/fs/ufs/file.c
index 33afa20d450..c84ec010a67 100644
--- a/fs/ufs/file.c
+++ b/fs/ufs/file.c
@@ -35,10 +35,10 @@
const struct file_operations ufs_file_operations = {
.llseek = generic_file_llseek,
- .read = do_sync_read,
- .aio_read = generic_file_aio_read,
- .write = do_sync_write,
- .aio_write = generic_file_aio_write,
+ .read = new_sync_read,
+ .read_iter = generic_file_read_iter,
+ .write = new_sync_write,
+ .write_iter = generic_file_write_iter,
.mmap = generic_file_mmap,
.open = generic_file_open,
.fsync = generic_file_fsync,
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index 2eabf04af3d..a9cc75ffa92 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -57,7 +57,6 @@ void ufs_free_inode (struct inode * inode)
{
struct super_block * sb;
struct ufs_sb_private_info * uspi;
- struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
int is_directory;
@@ -67,15 +66,14 @@ void ufs_free_inode (struct inode * inode)
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
- usb1 = ubh_get_usb_first(uspi);
ino = inode->i_ino;
- lock_super (sb);
+ lock_ufs(sb);
if (!((ino > 1) && (ino < (uspi->s_ncg * uspi->s_ipg )))) {
ufs_warning(sb, "ufs_free_inode", "reserved inode or nonexistent inode %u\n", ino);
- unlock_super (sb);
+ unlock_ufs(sb);
return;
}
@@ -83,7 +81,7 @@ void ufs_free_inode (struct inode * inode)
bit = ufs_inotocgoff (ino);
ucpi = ufs_load_cylinder (sb, cg);
if (!ucpi) {
- unlock_super (sb);
+ unlock_ufs(sb);
return;
}
ucg = ubh_get_ucg(UCPI_UBH(ucpi));
@@ -116,8 +114,8 @@ void ufs_free_inode (struct inode * inode)
if (sb->s_flags & MS_SYNCHRONOUS)
ubh_sync_block(UCPI_UBH(ucpi));
- sb->s_dirt = 1;
- unlock_super (sb);
+ ufs_mark_sb_dirty(sb);
+ unlock_ufs(sb);
UFSD("EXIT\n");
}
@@ -170,12 +168,11 @@ static void ufs2_init_inodes_chunk(struct super_block *sb,
* For other inodes, search forward from the parent directory's block
* group to find a free inode.
*/
-struct inode * ufs_new_inode(struct inode * dir, int mode)
+struct inode *ufs_new_inode(struct inode *dir, umode_t mode)
{
struct super_block * sb;
struct ufs_sb_info * sbi;
struct ufs_sb_private_info * uspi;
- struct ufs_super_block_first * usb1;
struct ufs_cg_private_info * ucpi;
struct ufs_cylinder_group * ucg;
struct inode * inode;
@@ -195,9 +192,8 @@ struct inode * ufs_new_inode(struct inode * dir, int mode)
ufsi = UFS_I(inode);
sbi = UFS_SB(sb);
uspi = sbi->s_uspi;
- usb1 = ubh_get_usb_first(uspi);
- lock_super (sb);
+ lock_ufs(sb);
/*
* Try to place the inode in its parent directory
@@ -288,7 +284,7 @@ cg_found:
ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
if (sb->s_flags & MS_SYNCHRONOUS)
ubh_sync_block(UCPI_UBH(ucpi));
- sb->s_dirt = 1;
+ ufs_mark_sb_dirty(sb);
inode->i_ino = cg * uspi->s_ipg + bit;
inode_init_owner(inode, dir, mode);
@@ -332,21 +328,20 @@ cg_found:
sync_dirty_buffer(bh);
brelse(bh);
}
-
- unlock_super (sb);
+ unlock_ufs(sb);
UFSD("allocating inode %lu\n", inode->i_ino);
UFSD("EXIT\n");
return inode;
fail_remove_inode:
- unlock_super(sb);
- inode->i_nlink = 0;
+ unlock_ufs(sb);
+ clear_nlink(inode);
iput(inode);
UFSD("EXIT (FAILED): err %d\n", err);
return ERR_PTR(err);
failed:
- unlock_super (sb);
+ unlock_ufs(sb);
make_bad_inode(inode);
iput (inode);
UFSD("EXIT (FAILED): err %d\n", err);
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 2b251f2093a..61e8a9b021d 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -26,7 +26,6 @@
*/
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/errno.h>
#include <linux/fs.h>
@@ -34,7 +33,6 @@
#include <linux/stat.h>
#include <linux/string.h>
#include <linux/mm.h>
-#include <linux/smp_lock.h>
#include <linux/buffer_head.h>
#include <linux/writeback.h>
@@ -43,7 +41,7 @@
#include "swab.h"
#include "util.h"
-static u64 ufs_frag_map(struct inode *inode, sector_t frag);
+static u64 ufs_frag_map(struct inode *inode, sector_t frag, bool needs_lock);
static int ufs_block_to_path(struct inode *inode, sector_t i_block, sector_t offsets[4])
{
@@ -79,10 +77,10 @@ static int ufs_block_to_path(struct inode *inode, sector_t i_block, sector_t off
/*
* Returns the location of the fragment from
- * the begining of the filesystem.
+ * the beginning of the filesystem.
*/
-static u64 ufs_frag_map(struct inode *inode, sector_t frag)
+static u64 ufs_frag_map(struct inode *inode, sector_t frag, bool needs_lock)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
struct super_block *sb = inode->i_sb;
@@ -107,7 +105,8 @@ static u64 ufs_frag_map(struct inode *inode, sector_t frag)
p = offsets;
- lock_kernel();
+ if (needs_lock)
+ lock_ufs(sb);
if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2)
goto ufs2;
@@ -152,7 +151,8 @@ ufs2:
ret = temp + (u64) (frag & uspi->s_fpbmask);
out:
- unlock_kernel();
+ if (needs_lock)
+ unlock_ufs(sb);
return ret;
}
@@ -408,21 +408,23 @@ out:
}
/**
- * ufs_getfrag_bloc() - `get_block_t' function, interface between UFS and
+ * ufs_getfrag_block() - `get_block_t' function, interface between UFS and
* readpage, writepage and so on
*/
int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create)
{
struct super_block * sb = inode->i_sb;
- struct ufs_sb_private_info * uspi = UFS_SB(sb)->s_uspi;
+ struct ufs_sb_info * sbi = UFS_SB(sb);
+ struct ufs_sb_private_info * uspi = sbi->s_uspi;
struct buffer_head * bh;
int ret, err, new;
unsigned long ptr,phys;
u64 phys64 = 0;
+ bool needs_lock = (sbi->mutex_owner != current);
if (!create) {
- phys64 = ufs_frag_map(inode, fragment);
+ phys64 = ufs_frag_map(inode, fragment, needs_lock);
UFSD("phys64 = %llu\n", (unsigned long long)phys64);
if (phys64)
map_bh(bh_result, sb, phys64);
@@ -436,7 +438,8 @@ int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head
ret = 0;
bh = NULL;
- lock_kernel();
+ if (needs_lock)
+ lock_ufs(sb);
UFSD("ENTER, ino %lu, fragment %llu\n", inode->i_ino, (unsigned long long)fragment);
if (fragment >
@@ -498,7 +501,9 @@ out:
set_buffer_new(bh_result);
map_bh(bh_result, sb, phys);
abort:
- unlock_kernel();
+ if (needs_lock)
+ unlock_ufs(sb);
+
return err;
abort_too_big:
@@ -506,48 +511,6 @@ abort_too_big:
goto abort;
}
-static struct buffer_head *ufs_getfrag(struct inode *inode,
- unsigned int fragment,
- int create, int *err)
-{
- struct buffer_head dummy;
- int error;
-
- dummy.b_state = 0;
- dummy.b_blocknr = -1000;
- error = ufs_getfrag_block(inode, fragment, &dummy, create);
- *err = error;
- if (!error && buffer_mapped(&dummy)) {
- struct buffer_head *bh;
- bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
- if (buffer_new(&dummy)) {
- memset(bh->b_data, 0, inode->i_sb->s_blocksize);
- set_buffer_uptodate(bh);
- mark_buffer_dirty(bh);
- }
- return bh;
- }
- return NULL;
-}
-
-struct buffer_head * ufs_bread (struct inode * inode, unsigned fragment,
- int create, int * err)
-{
- struct buffer_head * bh;
-
- UFSD("ENTER, ino %lu, fragment %u\n", inode->i_ino, fragment);
- bh = ufs_getfrag (inode, fragment, create, err);
- if (!bh || buffer_uptodate(bh))
- return bh;
- ll_rw_block (READ, 1, &bh);
- wait_on_buffer (bh);
- if (buffer_uptodate(bh))
- return bh;
- brelse (bh);
- *err = -EIO;
- return NULL;
-}
-
static int ufs_writepage(struct page *page, struct writeback_control *wbc)
{
return block_write_full_page(page,ufs_getfrag_block,wbc);
@@ -563,6 +526,14 @@ int ufs_prepare_chunk(struct page *page, loff_t pos, unsigned len)
return __block_write_begin(page, pos, len, ufs_getfrag_block);
}
+static void ufs_write_failed(struct address_space *mapping, loff_t to)
+{
+ struct inode *inode = mapping->host;
+
+ if (to > inode->i_size)
+ truncate_pagecache(inode, inode->i_size);
+}
+
static int ufs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
@@ -571,11 +542,8 @@ static int ufs_write_begin(struct file *file, struct address_space *mapping,
ret = block_write_begin(mapping, pos, len, flags, pagep,
ufs_getfrag_block);
- if (unlikely(ret)) {
- loff_t isize = mapping->host->i_size;
- if (pos + len > isize)
- vmtruncate(mapping->host, isize);
- }
+ if (unlikely(ret))
+ ufs_write_failed(mapping, pos + len);
return ret;
}
@@ -588,7 +556,6 @@ static sector_t ufs_bmap(struct address_space *mapping, sector_t block)
const struct address_space_operations ufs_aops = {
.readpage = ufs_readpage,
.writepage = ufs_writepage,
- .sync_page = block_sync_page,
.write_begin = ufs_write_begin,
.write_end = generic_write_end,
.bmap = ufs_bmap
@@ -620,13 +587,13 @@ static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
struct super_block *sb = inode->i_sb;
- mode_t mode;
+ umode_t mode;
/*
* Copy data to the in-core inode.
*/
inode->i_mode = mode = fs16_to_cpu(sb, ufs_inode->ui_mode);
- inode->i_nlink = fs16_to_cpu(sb, ufs_inode->ui_nlink);
+ set_nlink(inode, fs16_to_cpu(sb, ufs_inode->ui_nlink));
if (inode->i_nlink == 0) {
ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);
return -1;
@@ -635,8 +602,8 @@ static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode)
/*
* Linux now has 32-bit uid and gid, so we can support EFT.
*/
- inode->i_uid = ufs_get_inode_uid(sb, ufs_inode);
- inode->i_gid = ufs_get_inode_gid(sb, ufs_inode);
+ i_uid_write(inode, ufs_get_inode_uid(sb, ufs_inode));
+ i_gid_write(inode, ufs_get_inode_gid(sb, ufs_inode));
inode->i_size = fs64_to_cpu(sb, ufs_inode->ui_size);
inode->i_atime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_atime.tv_sec);
@@ -667,14 +634,14 @@ static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode)
{
struct ufs_inode_info *ufsi = UFS_I(inode);
struct super_block *sb = inode->i_sb;
- mode_t mode;
+ umode_t mode;
UFSD("Reading ufs2 inode, ino %lu\n", inode->i_ino);
/*
* Copy data to the in-core inode.
*/
inode->i_mode = mode = fs16_to_cpu(sb, ufs2_inode->ui_mode);
- inode->i_nlink = fs16_to_cpu(sb, ufs2_inode->ui_nlink);
+ set_nlink(inode, fs16_to_cpu(sb, ufs2_inode->ui_nlink));
if (inode->i_nlink == 0) {
ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);
return -1;
@@ -683,8 +650,8 @@ static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode)
/*
* Linux now has 32-bit uid and gid, so we can support EFT.
*/
- inode->i_uid = fs32_to_cpu(sb, ufs2_inode->ui_uid);
- inode->i_gid = fs32_to_cpu(sb, ufs2_inode->ui_gid);
+ i_uid_write(inode, fs32_to_cpu(sb, ufs2_inode->ui_uid));
+ i_gid_write(inode, fs32_to_cpu(sb, ufs2_inode->ui_gid));
inode->i_size = fs64_to_cpu(sb, ufs2_inode->ui_size);
inode->i_atime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_atime);
@@ -783,8 +750,8 @@ static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode)
ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);
ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);
- ufs_set_inode_uid(sb, ufs_inode, inode->i_uid);
- ufs_set_inode_gid(sb, ufs_inode, inode->i_gid);
+ ufs_set_inode_uid(sb, ufs_inode, i_uid_read(inode));
+ ufs_set_inode_gid(sb, ufs_inode, i_gid_read(inode));
ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);
ufs_inode->ui_atime.tv_sec = cpu_to_fs32(sb, inode->i_atime.tv_sec);
@@ -827,8 +794,8 @@ static void ufs2_update_inode(struct inode *inode, struct ufs2_inode *ufs_inode)
ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);
ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);
- ufs_inode->ui_uid = cpu_to_fs32(sb, inode->i_uid);
- ufs_inode->ui_gid = cpu_to_fs32(sb, inode->i_gid);
+ ufs_inode->ui_uid = cpu_to_fs32(sb, i_uid_read(inode));
+ ufs_inode->ui_gid = cpu_to_fs32(sb, i_gid_read(inode));
ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);
ufs_inode->ui_atime = cpu_to_fs64(sb, inode->i_atime.tv_sec);
@@ -900,9 +867,9 @@ static int ufs_update_inode(struct inode * inode, int do_sync)
int ufs_write_inode(struct inode *inode, struct writeback_control *wbc)
{
int ret;
- lock_kernel();
+ lock_ufs(inode->i_sb);
ret = ufs_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
- unlock_kernel();
+ unlock_ufs(inode->i_sb);
return ret;
}
@@ -918,26 +885,26 @@ void ufs_evict_inode(struct inode * inode)
if (!inode->i_nlink && !is_bad_inode(inode))
want_delete = 1;
- truncate_inode_pages(&inode->i_data, 0);
+ truncate_inode_pages_final(&inode->i_data);
if (want_delete) {
loff_t old_i_size;
/*UFS_I(inode)->i_dtime = CURRENT_TIME;*/
- lock_kernel();
+ lock_ufs(inode->i_sb);
mark_inode_dirty(inode);
ufs_update_inode(inode, IS_SYNC(inode));
old_i_size = inode->i_size;
inode->i_size = 0;
if (inode->i_blocks && ufs_truncate(inode, old_i_size))
ufs_warning(inode->i_sb, __func__, "ufs_truncate failed\n");
- unlock_kernel();
+ unlock_ufs(inode->i_sb);
}
invalidate_inode_buffers(inode);
- end_writeback(inode);
+ clear_inode(inode);
if (want_delete) {
- lock_kernel();
+ lock_ufs(inode->i_sb);
ufs_free_inode (inode);
- unlock_kernel();
+ unlock_ufs(inode->i_sb);
}
}
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 12f39b9e443..90d74b8f8eb 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -29,7 +29,6 @@
#include <linux/time.h>
#include <linux/fs.h>
-#include <linux/smp_lock.h>
#include "ufs_fs.h"
#include "ufs.h"
@@ -47,7 +46,7 @@ static inline int ufs_add_nondir(struct dentry *dentry, struct inode *inode)
return err;
}
-static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd)
+static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, unsigned int flags)
{
struct inode * inode = NULL;
ino_t ino;
@@ -55,18 +54,12 @@ static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, stru
if (dentry->d_name.len > UFS_MAXNAMLEN)
return ERR_PTR(-ENAMETOOLONG);
- lock_kernel();
+ lock_ufs(dir->i_sb);
ino = ufs_inode_by_name(dir, &dentry->d_name);
- if (ino) {
+ if (ino)
inode = ufs_iget(dir->i_sb, ino);
- if (IS_ERR(inode)) {
- unlock_kernel();
- return ERR_CAST(inode);
- }
- }
- unlock_kernel();
- d_add(dentry, inode);
- return NULL;
+ unlock_ufs(dir->i_sb);
+ return d_splice_alias(inode, dentry);
}
/*
@@ -77,8 +70,8 @@ static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, stru
* If the create succeeds, we fill in the inode information
* with d_instantiate().
*/
-static int ufs_create (struct inode * dir, struct dentry * dentry, int mode,
- struct nameidata *nd)
+static int ufs_create (struct inode * dir, struct dentry * dentry, umode_t mode,
+ bool excl)
{
struct inode *inode;
int err;
@@ -93,15 +86,15 @@ static int ufs_create (struct inode * dir, struct dentry * dentry, int mode,
inode->i_fop = &ufs_file_operations;
inode->i_mapping->a_ops = &ufs_aops;
mark_inode_dirty(inode);
- lock_kernel();
+ lock_ufs(dir->i_sb);
err = ufs_add_nondir(dentry, inode);
- unlock_kernel();
+ unlock_ufs(dir->i_sb);
}
UFSD("END: err=%d\n", err);
return err;
}
-static int ufs_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t rdev)
+static int ufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct inode *inode;
int err;
@@ -115,9 +108,9 @@ static int ufs_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t
init_special_inode(inode, mode, rdev);
ufs_set_inode_dev(inode->i_sb, UFS_I(inode), rdev);
mark_inode_dirty(inode);
- lock_kernel();
+ lock_ufs(dir->i_sb);
err = ufs_add_nondir(dentry, inode);
- unlock_kernel();
+ unlock_ufs(dir->i_sb);
}
return err;
}
@@ -133,7 +126,7 @@ static int ufs_symlink (struct inode * dir, struct dentry * dentry,
if (l > sb->s_blocksize)
goto out_notlocked;
- lock_kernel();
+ lock_ufs(dir->i_sb);
inode = ufs_new_inode(dir, S_IFLNK | S_IRWXUGO);
err = PTR_ERR(inode);
if (IS_ERR(inode))
@@ -156,7 +149,7 @@ static int ufs_symlink (struct inode * dir, struct dentry * dentry,
err = ufs_add_nondir(dentry, inode);
out:
- unlock_kernel();
+ unlock_ufs(dir->i_sb);
out_notlocked:
return err;
@@ -172,30 +165,23 @@ static int ufs_link (struct dentry * old_dentry, struct inode * dir,
struct inode *inode = old_dentry->d_inode;
int error;
- lock_kernel();
- if (inode->i_nlink >= UFS_LINK_MAX) {
- unlock_kernel();
- return -EMLINK;
- }
+ lock_ufs(dir->i_sb);
inode->i_ctime = CURRENT_TIME_SEC;
inode_inc_link_count(inode);
ihold(inode);
error = ufs_add_nondir(dentry, inode);
- unlock_kernel();
+ unlock_ufs(dir->i_sb);
return error;
}
-static int ufs_mkdir(struct inode * dir, struct dentry * dentry, int mode)
+static int ufs_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode)
{
struct inode * inode;
- int err = -EMLINK;
-
- if (dir->i_nlink >= UFS_LINK_MAX)
- goto out;
+ int err;
- lock_kernel();
+ lock_ufs(dir->i_sb);
inode_inc_link_count(dir);
inode = ufs_new_inode(dir, S_IFDIR|mode);
@@ -216,7 +202,7 @@ static int ufs_mkdir(struct inode * dir, struct dentry * dentry, int mode)
err = ufs_add_link(dentry, inode);
if (err)
goto out_fail;
- unlock_kernel();
+ unlock_ufs(dir->i_sb);
d_instantiate(dentry, inode);
out:
@@ -228,7 +214,7 @@ out_fail:
iput (inode);
out_dir:
inode_dec_link_count(dir);
- unlock_kernel();
+ unlock_ufs(dir->i_sb);
goto out;
}
@@ -259,7 +245,7 @@ static int ufs_rmdir (struct inode * dir, struct dentry *dentry)
struct inode * inode = dentry->d_inode;
int err= -ENOTEMPTY;
- lock_kernel();
+ lock_ufs(dir->i_sb);
if (ufs_empty_dir (inode)) {
err = ufs_unlink(dir, dentry);
if (!err) {
@@ -268,7 +254,7 @@ static int ufs_rmdir (struct inode * dir, struct dentry *dentry)
inode_dec_link_count(dir);
}
}
- unlock_kernel();
+ unlock_ufs(dir->i_sb);
return err;
}
@@ -306,24 +292,15 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry,
new_de = ufs_find_entry(new_dir, &new_dentry->d_name, &new_page);
if (!new_de)
goto out_dir;
- inode_inc_link_count(old_inode);
ufs_set_link(new_dir, new_de, new_page, old_inode);
new_inode->i_ctime = CURRENT_TIME_SEC;
if (dir_de)
drop_nlink(new_inode);
inode_dec_link_count(new_inode);
} else {
- if (dir_de) {
- err = -EMLINK;
- if (new_dir->i_nlink >= UFS_LINK_MAX)
- goto out_dir;
- }
- inode_inc_link_count(old_inode);
err = ufs_add_link(new_dentry, old_inode);
- if (err) {
- inode_dec_link_count(old_inode);
+ if (err)
goto out_dir;
- }
if (dir_de)
inode_inc_link_count(new_dir);
}
@@ -331,12 +308,11 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry,
/*
* Like most other Unix systems, set the ctime for inodes on a
* rename.
- * inode_dec_link_count() will mark the inode dirty.
*/
old_inode->i_ctime = CURRENT_TIME_SEC;
ufs_delete_entry(old_dir, old_de, old_page);
- inode_dec_link_count(old_inode);
+ mark_inode_dirty(old_inode);
if (dir_de) {
ufs_set_link(old_inode, dir_de, dir_page, new_dir);
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 2c47daed56d..b879f1ba343 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -73,7 +73,6 @@
#include <stdarg.h>
#include <asm/uaccess.h>
-#include <asm/system.h>
#include <linux/errno.h>
#include <linux/fs.h>
@@ -84,7 +83,6 @@
#include <linux/blkdev.h>
#include <linux/init.h>
#include <linux/parser.h>
-#include <linux/smp_lock.h>
#include <linux/buffer_head.h>
#include <linux/vfs.h>
#include <linux/log2.h>
@@ -96,6 +94,26 @@
#include "swab.h"
#include "util.h"
+void lock_ufs(struct super_block *sb)
+{
+#if defined(CONFIG_SMP) || defined (CONFIG_PREEMPT)
+ struct ufs_sb_info *sbi = UFS_SB(sb);
+
+ mutex_lock(&sbi->mutex);
+ sbi->mutex_owner = current;
+#endif
+}
+
+void unlock_ufs(struct super_block *sb)
+{
+#if defined(CONFIG_SMP) || defined (CONFIG_PREEMPT)
+ struct ufs_sb_info *sbi = UFS_SB(sb);
+
+ sbi->mutex_owner = NULL;
+ mutex_unlock(&sbi->mutex);
+#endif
+}
+
static struct inode *ufs_nfs_get_inode(struct super_block *sb, u64 ino, u32 generation)
{
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
@@ -128,10 +146,7 @@ static struct dentry *ufs_fh_to_parent(struct super_block *sb, struct fid *fid,
static struct dentry *ufs_get_parent(struct dentry *child)
{
- struct qstr dot_dot = {
- .name = "..",
- .len = 2,
- };
+ struct qstr dot_dot = QSTR_INIT("..", 2);
ino_t ino;
ino = ufs_inode_by_name(child->d_inode, &dot_dot);
@@ -287,7 +302,7 @@ void ufs_error (struct super_block * sb, const char * function,
if (!(sb->s_flags & MS_RDONLY)) {
usb1->fs_clean = UFS_FSBAD;
ubh_mark_buffer_dirty(USPI_UBH(uspi));
- sb->s_dirt = 1;
+ ufs_mark_sb_dirty(sb);
sb->s_flags |= MS_RDONLY;
}
va_start (args, fmt);
@@ -313,14 +328,13 @@ void ufs_panic (struct super_block * sb, const char * function,
struct ufs_super_block_first * usb1;
va_list args;
- lock_kernel();
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(uspi);
if (!(sb->s_flags & MS_RDONLY)) {
usb1->fs_clean = UFS_FSBAD;
ubh_mark_buffer_dirty(USPI_UBH(uspi));
- sb->s_dirt = 1;
+ ufs_mark_sb_dirty(sb);
}
va_start (args, fmt);
vsnprintf (error_buf, sizeof(error_buf), fmt, args);
@@ -465,9 +479,9 @@ static int ufs_parse_options (char * options, unsigned * mount_options)
}
/*
- * Diffrent types of UFS hold fs_cstotal in different
- * places, and use diffrent data structure for it.
- * To make things simplier we just copy fs_cstotal to ufs_sb_private_info
+ * Different types of UFS hold fs_cstotal in different
+ * places, and use different data structure for it.
+ * To make things simpler we just copy fs_cstotal to ufs_sb_private_info
*/
static void ufs_setup_cstotal(struct super_block *sb)
{
@@ -510,18 +524,16 @@ static int ufs_read_cylinder_structures(struct super_block *sb)
struct ufs_buffer_head * ubh;
unsigned char * base, * space;
unsigned size, blks, i;
- struct ufs_super_block_third *usb3;
UFSD("ENTER\n");
- usb3 = ubh_get_usb_third(uspi);
/*
* Read cs structures from (usually) first data block
* on the device.
*/
size = uspi->s_cssize;
blks = (size + uspi->s_fsize - 1) >> uspi->s_fshift;
- base = space = kmalloc(size, GFP_KERNEL);
+ base = space = kmalloc(size, GFP_NOFS);
if (!base)
goto failed;
sbi->s_csp = (struct ufs_csum *)space;
@@ -546,7 +558,7 @@ static int ufs_read_cylinder_structures(struct super_block *sb)
* Read cylinder group (we read only first fragment from block
* at this time) and prepare internal data structures for cg caching.
*/
- if (!(sbi->s_ucg = kmalloc (sizeof(struct buffer_head *) * uspi->s_ncg, GFP_KERNEL)))
+ if (!(sbi->s_ucg = kmalloc (sizeof(struct buffer_head *) * uspi->s_ncg, GFP_NOFS)))
goto failed;
for (i = 0; i < uspi->s_ncg; i++)
sbi->s_ucg[i] = NULL;
@@ -564,7 +576,7 @@ static int ufs_read_cylinder_structures(struct super_block *sb)
ufs_print_cylinder_stuff(sb, (struct ufs_cylinder_group *) sbi->s_ucg[i]->b_data);
}
for (i = 0; i < UFS_MAX_GROUP_LOADED; i++) {
- if (!(sbi->s_ucpi[i] = kmalloc (sizeof(struct ufs_cg_private_info), GFP_KERNEL)))
+ if (!(sbi->s_ucpi[i] = kmalloc (sizeof(struct ufs_cg_private_info), GFP_NOFS)))
goto failed;
sbi->s_cgno[i] = UFS_CGNO_EMPTY;
}
@@ -646,8 +658,6 @@ static void ufs_put_super_internal(struct super_block *sb)
UFSD("ENTER\n");
- lock_kernel();
-
ufs_put_cstotal(sb);
size = uspi->s_cssize;
blks = (size + uspi->s_fsize - 1) >> uspi->s_fshift;
@@ -676,9 +686,83 @@ static void ufs_put_super_internal(struct super_block *sb)
kfree (sbi->s_ucg);
kfree (base);
- unlock_kernel();
+ UFSD("EXIT\n");
+}
+
+static int ufs_sync_fs(struct super_block *sb, int wait)
+{
+ struct ufs_sb_private_info * uspi;
+ struct ufs_super_block_first * usb1;
+ struct ufs_super_block_third * usb3;
+ unsigned flags;
+
+ lock_ufs(sb);
+
+ UFSD("ENTER\n");
+
+ flags = UFS_SB(sb)->s_flags;
+ uspi = UFS_SB(sb)->s_uspi;
+ usb1 = ubh_get_usb_first(uspi);
+ usb3 = ubh_get_usb_third(uspi);
+
+ usb1->fs_time = cpu_to_fs32(sb, get_seconds());
+ if ((flags & UFS_ST_MASK) == UFS_ST_SUN ||
+ (flags & UFS_ST_MASK) == UFS_ST_SUNOS ||
+ (flags & UFS_ST_MASK) == UFS_ST_SUNx86)
+ ufs_set_fs_state(sb, usb1, usb3,
+ UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time));
+ ufs_put_cstotal(sb);
UFSD("EXIT\n");
+ unlock_ufs(sb);
+
+ return 0;
+}
+
+static void delayed_sync_fs(struct work_struct *work)
+{
+ struct ufs_sb_info *sbi;
+
+ sbi = container_of(work, struct ufs_sb_info, sync_work.work);
+
+ spin_lock(&sbi->work_lock);
+ sbi->work_queued = 0;
+ spin_unlock(&sbi->work_lock);
+
+ ufs_sync_fs(sbi->sb, 1);
+}
+
+void ufs_mark_sb_dirty(struct super_block *sb)
+{
+ struct ufs_sb_info *sbi = UFS_SB(sb);
+ unsigned long delay;
+
+ spin_lock(&sbi->work_lock);
+ if (!sbi->work_queued) {
+ delay = msecs_to_jiffies(dirty_writeback_interval * 10);
+ queue_delayed_work(system_long_wq, &sbi->sync_work, delay);
+ sbi->work_queued = 1;
+ }
+ spin_unlock(&sbi->work_lock);
+}
+
+static void ufs_put_super(struct super_block *sb)
+{
+ struct ufs_sb_info * sbi = UFS_SB(sb);
+
+ UFSD("ENTER\n");
+
+ if (!(sb->s_flags & MS_RDONLY))
+ ufs_put_super_internal(sb);
+ cancel_delayed_work_sync(&sbi->sync_work);
+
+ ubh_brelse_uspi (sbi->s_uspi);
+ kfree (sbi->s_uspi);
+ mutex_destroy(&sbi->mutex);
+ kfree (sbi);
+ sb->s_fs_info = NULL;
+ UFSD("EXIT\n");
+ return;
}
static int ufs_fill_super(struct super_block *sb, void *data, int silent)
@@ -696,28 +780,31 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
unsigned maxsymlen;
int ret = -EINVAL;
- lock_kernel();
-
uspi = NULL;
ubh = NULL;
flags = 0;
UFSD("ENTER\n");
+
+#ifndef CONFIG_UFS_FS_WRITE
+ if (!(sb->s_flags & MS_RDONLY)) {
+ printk("ufs was compiled with read-only support, "
+ "can't be mounted as read-write\n");
+ return -EROFS;
+ }
+#endif
sbi = kzalloc(sizeof(struct ufs_sb_info), GFP_KERNEL);
if (!sbi)
goto failed_nomem;
sb->s_fs_info = sbi;
+ sbi->sb = sb;
UFSD("flag %u\n", (int)(sb->s_flags & MS_RDONLY));
-#ifndef CONFIG_UFS_FS_WRITE
- if (!(sb->s_flags & MS_RDONLY)) {
- printk("ufs was compiled with read-only support, "
- "can't be mounted as read-write\n");
- goto failed;
- }
-#endif
+ mutex_init(&sbi->mutex);
+ spin_lock_init(&sbi->work_lock);
+ INIT_DELAYED_WORK(&sbi->sync_work, delayed_sync_fs);
/*
* Set default mount options
* Parse mount options
@@ -1144,16 +1231,17 @@ magic_found:
"fast symlink size (%u)\n", uspi->s_maxsymlinklen);
uspi->s_maxsymlinklen = maxsymlen;
}
+ sb->s_max_links = UFS_LINK_MAX;
inode = ufs_iget(sb, UFS_ROOTINO);
if (IS_ERR(inode)) {
ret = PTR_ERR(inode);
goto failed;
}
- sb->s_root = d_alloc_root(inode);
+ sb->s_root = d_make_root(inode);
if (!sb->s_root) {
ret = -ENOMEM;
- goto dalloc_failed;
+ goto failed;
}
ufs_setup_cstotal(sb);
@@ -1165,89 +1253,23 @@ magic_found:
goto failed;
UFSD("EXIT\n");
- unlock_kernel();
return 0;
-dalloc_failed:
- iput(inode);
failed:
+ mutex_destroy(&sbi->mutex);
if (ubh)
ubh_brelse_uspi (uspi);
kfree (uspi);
kfree(sbi);
sb->s_fs_info = NULL;
UFSD("EXIT (FAILED)\n");
- unlock_kernel();
return ret;
failed_nomem:
UFSD("EXIT (NOMEM)\n");
- unlock_kernel();
return -ENOMEM;
}
-static int ufs_sync_fs(struct super_block *sb, int wait)
-{
- struct ufs_sb_private_info * uspi;
- struct ufs_super_block_first * usb1;
- struct ufs_super_block_third * usb3;
- unsigned flags;
-
- lock_super(sb);
- lock_kernel();
-
- UFSD("ENTER\n");
-
- flags = UFS_SB(sb)->s_flags;
- uspi = UFS_SB(sb)->s_uspi;
- usb1 = ubh_get_usb_first(uspi);
- usb3 = ubh_get_usb_third(uspi);
-
- usb1->fs_time = cpu_to_fs32(sb, get_seconds());
- if ((flags & UFS_ST_MASK) == UFS_ST_SUN ||
- (flags & UFS_ST_MASK) == UFS_ST_SUNOS ||
- (flags & UFS_ST_MASK) == UFS_ST_SUNx86)
- ufs_set_fs_state(sb, usb1, usb3,
- UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time));
- ufs_put_cstotal(sb);
- sb->s_dirt = 0;
-
- UFSD("EXIT\n");
- unlock_kernel();
- unlock_super(sb);
-
- return 0;
-}
-
-static void ufs_write_super(struct super_block *sb)
-{
- if (!(sb->s_flags & MS_RDONLY))
- ufs_sync_fs(sb, 1);
- else
- sb->s_dirt = 0;
-}
-
-static void ufs_put_super(struct super_block *sb)
-{
- struct ufs_sb_info * sbi = UFS_SB(sb);
-
- UFSD("ENTER\n");
-
- if (sb->s_dirt)
- ufs_write_super(sb);
-
- if (!(sb->s_flags & MS_RDONLY))
- ufs_put_super_internal(sb);
-
- ubh_brelse_uspi (sbi->s_uspi);
- kfree (sbi->s_uspi);
- kfree (sbi);
- sb->s_fs_info = NULL;
- UFSD("EXIT\n");
- return;
-}
-
-
static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
{
struct ufs_sb_private_info * uspi;
@@ -1256,8 +1278,8 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
unsigned new_mount_opt, ufstype;
unsigned flags;
- lock_kernel();
- lock_super(sb);
+ sync_filesystem(sb);
+ lock_ufs(sb);
uspi = UFS_SB(sb)->s_uspi;
flags = UFS_SB(sb)->s_flags;
usb1 = ubh_get_usb_first(uspi);
@@ -1271,23 +1293,20 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
new_mount_opt = 0;
ufs_set_opt (new_mount_opt, ONERROR_LOCK);
if (!ufs_parse_options (data, &new_mount_opt)) {
- unlock_super(sb);
- unlock_kernel();
+ unlock_ufs(sb);
return -EINVAL;
}
if (!(new_mount_opt & UFS_MOUNT_UFSTYPE)) {
new_mount_opt |= ufstype;
} else if ((new_mount_opt & UFS_MOUNT_UFSTYPE) != ufstype) {
printk("ufstype can't be changed during remount\n");
- unlock_super(sb);
- unlock_kernel();
+ unlock_ufs(sb);
return -EINVAL;
}
if ((*mount_flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
UFS_SB(sb)->s_mount_opt = new_mount_opt;
- unlock_super(sb);
- unlock_kernel();
+ unlock_ufs(sb);
return 0;
}
@@ -1303,7 +1322,6 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
ufs_set_fs_state(sb, usb1, usb3,
UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time));
ubh_mark_buffer_dirty (USPI_UBH(uspi));
- sb->s_dirt = 0;
sb->s_flags |= MS_RDONLY;
} else {
/*
@@ -1312,8 +1330,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
#ifndef CONFIG_UFS_FS_WRITE
printk("ufs was compiled with read-only support, "
"can't be mounted as read-write\n");
- unlock_super(sb);
- unlock_kernel();
+ unlock_ufs(sb);
return -EINVAL;
#else
if (ufstype != UFS_MOUNT_UFSTYPE_SUN &&
@@ -1322,28 +1339,25 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
ufstype != UFS_MOUNT_UFSTYPE_SUNx86 &&
ufstype != UFS_MOUNT_UFSTYPE_UFS2) {
printk("this ufstype is read-only supported\n");
- unlock_super(sb);
- unlock_kernel();
+ unlock_ufs(sb);
return -EINVAL;
}
if (!ufs_read_cylinder_structures(sb)) {
printk("failed during remounting\n");
- unlock_super(sb);
- unlock_kernel();
+ unlock_ufs(sb);
return -EPERM;
}
sb->s_flags &= ~MS_RDONLY;
#endif
}
UFS_SB(sb)->s_mount_opt = new_mount_opt;
- unlock_super(sb);
- unlock_kernel();
+ unlock_ufs(sb);
return 0;
}
-static int ufs_show_options(struct seq_file *seq, struct vfsmount *vfs)
+static int ufs_show_options(struct seq_file *seq, struct dentry *root)
{
- struct ufs_sb_info *sbi = UFS_SB(vfs->mnt_sb);
+ struct ufs_sb_info *sbi = UFS_SB(root->d_sb);
unsigned mval = sbi->s_mount_opt & UFS_MOUNT_UFSTYPE;
const struct match_token *tp = tokens;
@@ -1366,15 +1380,11 @@ static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf)
struct super_block *sb = dentry->d_sb;
struct ufs_sb_private_info *uspi= UFS_SB(sb)->s_uspi;
unsigned flags = UFS_SB(sb)->s_flags;
- struct ufs_super_block_first *usb1;
- struct ufs_super_block_second *usb2;
struct ufs_super_block_third *usb3;
u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
- lock_kernel();
+ lock_ufs(sb);
- usb1 = ubh_get_usb_first(uspi);
- usb2 = ubh_get_usb_second(uspi);
usb3 = ubh_get_usb_third(uspi);
if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) {
@@ -1395,7 +1405,7 @@ static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_fsid.val[0] = (u32)id;
buf->f_fsid.val[1] = (u32)(id >> 32);
- unlock_kernel();
+ unlock_ufs(sb);
return 0;
}
@@ -1405,18 +1415,24 @@ static struct kmem_cache * ufs_inode_cachep;
static struct inode *ufs_alloc_inode(struct super_block *sb)
{
struct ufs_inode_info *ei;
- ei = (struct ufs_inode_info *)kmem_cache_alloc(ufs_inode_cachep, GFP_KERNEL);
+ ei = (struct ufs_inode_info *)kmem_cache_alloc(ufs_inode_cachep, GFP_NOFS);
if (!ei)
return NULL;
ei->vfs_inode.i_version = 1;
return &ei->vfs_inode;
}
-static void ufs_destroy_inode(struct inode *inode)
+static void ufs_i_callback(struct rcu_head *head)
{
+ struct inode *inode = container_of(head, struct inode, i_rcu);
kmem_cache_free(ufs_inode_cachep, UFS_I(inode));
}
+static void ufs_destroy_inode(struct inode *inode)
+{
+ call_rcu(&inode->i_rcu, ufs_i_callback);
+}
+
static void init_once(void *foo)
{
struct ufs_inode_info *ei = (struct ufs_inode_info *) foo;
@@ -1424,7 +1440,7 @@ static void init_once(void *foo)
inode_init_once(&ei->vfs_inode);
}
-static int init_inodecache(void)
+static int __init init_inodecache(void)
{
ufs_inode_cachep = kmem_cache_create("ufs_inode_cache",
sizeof(struct ufs_inode_info),
@@ -1438,6 +1454,11 @@ static int init_inodecache(void)
static void destroy_inodecache(void)
{
+ /*
+ * Make sure all delayed rcu free inodes are flushed before we
+ * destroy cache.
+ */
+ rcu_barrier();
kmem_cache_destroy(ufs_inode_cachep);
}
@@ -1447,7 +1468,6 @@ static const struct super_operations ufs_super_ops = {
.write_inode = ufs_write_inode,
.evict_inode = ufs_evict_inode,
.put_super = ufs_put_super,
- .write_super = ufs_write_super,
.sync_fs = ufs_sync_fs,
.statfs = ufs_statfs,
.remount_fs = ufs_remount,
@@ -1467,6 +1487,7 @@ static struct file_system_type ufs_fs_type = {
.kill_sb = kill_block_super,
.fs_flags = FS_REQUIRES_DEV,
};
+MODULE_ALIAS_FS("ufs");
static int __init init_ufs_fs(void)
{
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index a58f9155fc9..f04f89fbd4d 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -40,7 +40,6 @@
#include <linux/time.h>
#include <linux/stat.h>
#include <linux/string.h>
-#include <linux/smp_lock.h>
#include <linux/buffer_head.h>
#include <linux/blkdev.h>
#include <linux/sched.h>
@@ -85,7 +84,7 @@ static int ufs_trunc_direct(struct inode *inode)
retry = 0;
frag1 = DIRECT_FRAGMENT;
- frag4 = min_t(u32, UFS_NDIR_FRAGMENT, ufsi->i_lastfrag);
+ frag4 = min_t(u64, UFS_NDIR_FRAGMENT, ufsi->i_lastfrag);
frag2 = ((frag1 & uspi->s_fpbmask) ? ((frag1 | uspi->s_fpbmask) + 1) : frag1);
frag3 = frag4 & ~uspi->s_fpbmask;
block1 = block2 = 0;
@@ -467,7 +466,6 @@ int ufs_truncate(struct inode *inode, loff_t old_i_size)
block_truncate_page(inode->i_mapping, inode->i_size, ufs_getfrag_block);
- lock_kernel();
while (1) {
retry = ufs_trunc_direct(inode);
retry |= ufs_trunc_indirect(inode, UFS_IND_BLOCK,
@@ -481,13 +479,11 @@ int ufs_truncate(struct inode *inode, loff_t old_i_size)
break;
if (IS_SYNC(inode) && (inode->i_state & I_DIRTY))
ufs_sync_inode (inode);
- blk_run_address_space(inode->i_mapping);
yield();
}
inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC;
ufsi->i_lastfrag = DIRECT_FRAGMENT;
- unlock_kernel();
mark_inode_dirty(inode);
out:
UFSD("EXIT: err %d\n", err);
@@ -510,7 +506,9 @@ int ufs_setattr(struct dentry *dentry, struct iattr *attr)
/* XXX(truncate): truncate_setsize should be called last */
truncate_setsize(inode, attr->ia_size);
+ lock_ufs(inode->i_sb);
error = ufs_truncate(inode, old_i_size);
+ unlock_ufs(inode->i_sb);
if (error)
return error;
}
diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
index c08782e1b48..343e6fc571e 100644
--- a/fs/ufs/ufs.h
+++ b/fs/ufs/ufs.h
@@ -18,6 +18,12 @@ struct ufs_sb_info {
unsigned s_cgno[UFS_MAX_GROUP_LOADED];
unsigned short s_cg_loaded;
unsigned s_mount_opt;
+ struct mutex mutex;
+ struct task_struct *mutex_owner;
+ struct super_block *sb;
+ int work_queued; /* non-zero if the delayed work is queued */
+ struct delayed_work sync_work; /* FS sync delayed work */
+ spinlock_t work_lock; /* protects sync_work and work_queued */
};
struct ufs_inode_info {
@@ -102,23 +108,26 @@ extern const struct address_space_operations ufs_aops;
/* ialloc.c */
extern void ufs_free_inode (struct inode *inode);
-extern struct inode * ufs_new_inode (struct inode *, int);
+extern struct inode * ufs_new_inode (struct inode *, umode_t);
/* inode.c */
extern struct inode *ufs_iget(struct super_block *, unsigned long);
extern int ufs_write_inode (struct inode *, struct writeback_control *);
extern int ufs_sync_inode (struct inode *);
extern void ufs_evict_inode (struct inode *);
-extern struct buffer_head * ufs_bread (struct inode *, unsigned, int, int *);
extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create);
/* namei.c */
extern const struct file_operations ufs_dir_operations;
/* super.c */
-extern void ufs_warning (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));
-extern void ufs_error (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));
-extern void ufs_panic (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));
+extern __printf(3, 4)
+void ufs_warning(struct super_block *, const char *, const char *, ...);
+extern __printf(3, 4)
+void ufs_error(struct super_block *, const char *, const char *, ...);
+extern __printf(3, 4)
+void ufs_panic(struct super_block *, const char *, const char *, ...);
+void ufs_mark_sb_dirty(struct super_block *sb);
/* symlink.c */
extern const struct inode_operations ufs_fast_symlink_inode_operations;
@@ -154,4 +163,7 @@ static inline u32 ufs_dtogd(struct ufs_sb_private_info * uspi, u64 b)
return do_div(b, uspi->s_fpg);
}
+extern void lock_ufs(struct super_block *sb);
+extern void unlock_ufs(struct super_block *sb);
+
#endif /* _UFS_UFS_H */
diff --git a/fs/ufs/ufs_fs.h b/fs/ufs/ufs_fs.h
index 8aba544f9fa..0cbd5d340b6 100644
--- a/fs/ufs/ufs_fs.h
+++ b/fs/ufs/ufs_fs.h
@@ -34,6 +34,7 @@
#include <linux/kernel.h>
#include <linux/stat.h>
#include <linux/fs.h>
+#include <linux/workqueue.h>
#include <asm/div64.h>
typedef __u64 __bitwise __fs64;
diff --git a/fs/ufs/util.c b/fs/ufs/util.c
index d2c36d53fe6..b6c2f94e041 100644
--- a/fs/ufs/util.c
+++ b/fs/ufs/util.c
@@ -26,8 +26,7 @@ struct ufs_buffer_head * _ubh_bread_ (struct ufs_sb_private_info * uspi,
count = size >> uspi->s_fshift;
if (count > UFS_MAXFRAG)
return NULL;
- ubh = (struct ufs_buffer_head *)
- kmalloc (sizeof (struct ufs_buffer_head), GFP_KERNEL);
+ ubh = kmalloc (sizeof (struct ufs_buffer_head), GFP_NOFS);
if (!ubh)
return NULL;
ubh->fragment = fragment;
diff --git a/fs/ufs/util.h b/fs/ufs/util.h
index 9f8775ce381..95417592824 100644
--- a/fs/ufs/util.h
+++ b/fs/ufs/util.h
@@ -408,7 +408,7 @@ static inline unsigned _ubh_find_next_zero_bit_(
for (;;) {
count = min_t(unsigned int, size + offset, uspi->s_bpf);
size -= count - offset;
- pos = ext2_find_next_zero_bit (ubh->bh[base]->b_data, count, offset);
+ pos = find_next_zero_bit_le(ubh->bh[base]->b_data, count, offset);
if (pos < count || !size)
break;
base++;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-07 23:12:42 +0000