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Diffstat (limited to 'fs/ufs/truncate.c')
-rw-r--r--fs/ufs/truncate.c91
1 files changed, 48 insertions, 43 deletions
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index 749581fa772..f04f89fbd4d 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -36,16 +36,16 @@
#include <linux/errno.h>
#include <linux/fs.h>
-#include <linux/ufs_fs.h>
#include <linux/fcntl.h>
#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>
+#include "ufs_fs.h"
+#include "ufs.h"
#include "swab.h"
#include "util.h"
@@ -74,7 +74,7 @@ static int ufs_trunc_direct(struct inode *inode)
unsigned i, tmp;
int retry;
- UFSD("ENTER\n");
+ UFSD("ENTER: ino %lu\n", inode->i_ino);
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
@@ -84,7 +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;
@@ -96,8 +96,8 @@ static int ufs_trunc_direct(struct inode *inode)
block2 = ufs_fragstoblks (frag3);
}
- UFSD("frag1 %llu, frag2 %llu, block1 %llu, block2 %llu, frag3 %llu,"
- " frag4 %llu\n",
+ UFSD("ino %lu, frag1 %llu, frag2 %llu, block1 %llu, block2 %llu,"
+ " frag3 %llu, frag4 %llu\n", inode->i_ino,
(unsigned long long)frag1, (unsigned long long)frag2,
(unsigned long long)block1, (unsigned long long)block2,
(unsigned long long)frag3, (unsigned long long)frag4);
@@ -163,7 +163,7 @@ next1:
mark_inode_dirty(inode);
next3:
- UFSD("EXIT\n");
+ UFSD("EXIT: ino %lu\n", inode->i_ino);
return retry;
}
@@ -242,13 +242,11 @@ static int ufs_trunc_indirect(struct inode *inode, u64 offset, void *p)
ubh_bforget(ind_ubh);
ind_ubh = NULL;
}
- if (IS_SYNC(inode) && ind_ubh && ubh_buffer_dirty(ind_ubh)) {
- ubh_ll_rw_block(SWRITE, ind_ubh);
- ubh_wait_on_buffer (ind_ubh);
- }
+ if (IS_SYNC(inode) && ind_ubh && ubh_buffer_dirty(ind_ubh))
+ ubh_sync_block(ind_ubh);
ubh_brelse (ind_ubh);
- UFSD("EXIT\n");
+ UFSD("EXIT: ino %lu\n", inode->i_ino);
return retry;
}
@@ -262,7 +260,7 @@ static int ufs_trunc_dindirect(struct inode *inode, u64 offset, void *p)
void *dind;
int retry = 0;
- UFSD("ENTER\n");
+ UFSD("ENTER: ino %lu\n", inode->i_ino);
sb = inode->i_sb;
uspi = UFS_SB(sb)->s_uspi;
@@ -306,13 +304,11 @@ static int ufs_trunc_dindirect(struct inode *inode, u64 offset, void *p)
ubh_bforget(dind_bh);
dind_bh = NULL;
}
- if (IS_SYNC(inode) && dind_bh && ubh_buffer_dirty(dind_bh)) {
- ubh_ll_rw_block(SWRITE, dind_bh);
- ubh_wait_on_buffer (dind_bh);
- }
+ if (IS_SYNC(inode) && dind_bh && ubh_buffer_dirty(dind_bh))
+ ubh_sync_block(dind_bh);
ubh_brelse (dind_bh);
- UFSD("EXIT\n");
+ UFSD("EXIT: ino %lu\n", inode->i_ino);
return retry;
}
@@ -327,7 +323,7 @@ static int ufs_trunc_tindirect(struct inode *inode)
void *tind, *p;
int retry;
- UFSD("ENTER\n");
+ UFSD("ENTER: ino %lu\n", inode->i_ino);
retry = 0;
@@ -348,7 +344,7 @@ static int ufs_trunc_tindirect(struct inode *inode)
}
for (i = tindirect_block ; i < uspi->s_apb ; i++) {
- tind = ubh_get_addr32 (tind_bh, i);
+ tind = ubh_get_data_ptr(uspi, tind_bh, i);
retry |= ufs_trunc_dindirect(inode, UFS_NDADDR +
uspi->s_apb + ((i + 1) << uspi->s_2apbshift), tind);
ubh_mark_buffer_dirty(tind_bh);
@@ -366,25 +362,25 @@ static int ufs_trunc_tindirect(struct inode *inode)
ubh_bforget(tind_bh);
tind_bh = NULL;
}
- if (IS_SYNC(inode) && tind_bh && ubh_buffer_dirty(tind_bh)) {
- ubh_ll_rw_block(SWRITE, tind_bh);
- ubh_wait_on_buffer (tind_bh);
- }
+ if (IS_SYNC(inode) && tind_bh && ubh_buffer_dirty(tind_bh))
+ ubh_sync_block(tind_bh);
ubh_brelse (tind_bh);
- UFSD("EXIT\n");
+ UFSD("EXIT: ino %lu\n", inode->i_ino);
return retry;
}
static int ufs_alloc_lastblock(struct inode *inode)
{
int err = 0;
+ struct super_block *sb = inode->i_sb;
struct address_space *mapping = inode->i_mapping;
- struct ufs_sb_private_info *uspi = UFS_SB(inode->i_sb)->s_uspi;
+ struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
unsigned i, end;
sector_t lastfrag;
struct page *lastpage;
struct buffer_head *bh;
+ u64 phys64;
lastfrag = (i_size_read(inode) + uspi->s_fsize - 1) >> uspi->s_fshift;
@@ -424,6 +420,20 @@ static int ufs_alloc_lastblock(struct inode *inode)
set_page_dirty(lastpage);
}
+ if (lastfrag >= UFS_IND_FRAGMENT) {
+ end = uspi->s_fpb - ufs_fragnum(lastfrag) - 1;
+ phys64 = bh->b_blocknr + 1;
+ for (i = 0; i < end; ++i) {
+ bh = sb_getblk(sb, i + phys64);
+ lock_buffer(bh);
+ memset(bh->b_data, 0, sb->s_blocksize);
+ set_buffer_uptodate(bh);
+ mark_buffer_dirty(bh);
+ unlock_buffer(bh);
+ sync_dirty_buffer(bh);
+ brelse(bh);
+ }
+ }
out_unlock:
ufs_put_locked_page(lastpage);
out:
@@ -456,7 +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,
@@ -470,27 +479,18 @@ 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);
return err;
}
-
-/*
- * We don't define our `inode->i_op->truncate', and call it here,
- * because of:
- * - there is no way to know old size
- * - there is no way inform user about error, if it happens in `truncate'
- */
-static int ufs_setattr(struct dentry *dentry, struct iattr *attr)
+int ufs_setattr(struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = dentry->d_inode;
unsigned int ia_valid = attr->ia_valid;
@@ -500,17 +500,22 @@ static int ufs_setattr(struct dentry *dentry, struct iattr *attr)
if (error)
return error;
- if (ia_valid & ATTR_SIZE &&
- attr->ia_size != i_size_read(inode)) {
+ if (ia_valid & ATTR_SIZE && attr->ia_size != inode->i_size) {
loff_t old_i_size = inode->i_size;
- error = vmtruncate(inode, attr->ia_size);
- if (error)
- return error;
+
+ /* 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;
}
- return inode_setattr(inode, attr);
+
+ setattr_copy(inode, attr);
+ mark_inode_dirty(inode);
+ return 0;
}
const struct inode_operations ufs_file_inode_operations = {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-12 03:10:59 +0000