aboutsummaryrefslogtreecommitdiff
path: root/fs/f2fs/namei.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/f2fs/namei.c')
-rw-r--r--fs/f2fs/namei.c124
1 files changed, 79 insertions, 45 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 1a49b881bac..a6bdddc33ce 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -15,8 +15,10 @@
#include <linux/ctype.h>
#include "f2fs.h"
+#include "node.h"
#include "xattr.h"
#include "acl.h"
+#include <trace/events/f2fs.h>
static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
{
@@ -31,26 +33,17 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
if (!inode)
return ERR_PTR(-ENOMEM);
- mutex_lock_op(sbi, NODE_NEW);
+ f2fs_lock_op(sbi);
if (!alloc_nid(sbi, &ino)) {
- mutex_unlock_op(sbi, NODE_NEW);
+ f2fs_unlock_op(sbi);
err = -ENOSPC;
goto fail;
}
- mutex_unlock_op(sbi, NODE_NEW);
+ f2fs_unlock_op(sbi);
- inode->i_uid = current_fsuid();
-
- if (dir->i_mode & S_ISGID) {
- inode->i_gid = dir->i_gid;
- if (S_ISDIR(mode))
- mode |= S_ISGID;
- } else {
- inode->i_gid = current_fsgid();
- }
+ inode_init_owner(inode, dir, mode);
inode->i_ino = ino;
- inode->i_mode = mode;
inode->i_blocks = 0;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
inode->i_generation = sbi->s_next_generation++;
@@ -61,7 +54,7 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
nid_free = true;
goto out;
}
-
+ trace_f2fs_new_inode(inode, 0);
mark_inode_dirty(inode);
return inode;
@@ -69,6 +62,8 @@ out:
clear_nlink(inode);
unlock_new_inode(inode);
fail:
+ trace_f2fs_new_inode(inode, err);
+ make_bad_inode(inode);
iput(inode);
if (nid_free)
alloc_nid_failed(sbi, ino);
@@ -79,27 +74,17 @@ static int is_multimedia_file(const unsigned char *s, const char *sub)
{
size_t slen = strlen(s);
size_t sublen = strlen(sub);
- int ret;
if (sublen > slen)
- return 1;
-
- ret = memcmp(s + slen - sublen, sub, sublen);
- if (ret) { /* compare upper case */
- int i;
- char upper_sub[8];
- for (i = 0; i < sublen && i < sizeof(upper_sub); i++)
- upper_sub[i] = toupper(sub[i]);
- return memcmp(s + slen - sublen, upper_sub, sublen);
- }
+ return 0;
- return ret;
+ return !strncasecmp(s + slen - sublen, sub, sublen);
}
/*
* Set multimedia files as cold files for hot/cold data separation
*/
-static inline void set_cold_file(struct f2fs_sb_info *sbi, struct inode *inode,
+static inline void set_cold_files(struct f2fs_sb_info *sbi, struct inode *inode,
const unsigned char *name)
{
int i;
@@ -107,8 +92,8 @@ static inline void set_cold_file(struct f2fs_sb_info *sbi, struct inode *inode,
int count = le32_to_cpu(sbi->raw_super->extension_count);
for (i = 0; i < count; i++) {
- if (!is_multimedia_file(name, extlist[i])) {
- F2FS_I(inode)->i_advise |= FADVISE_COLD_BIT;
+ if (is_multimedia_file(name, extlist[i])) {
+ file_set_cold(inode);
break;
}
}
@@ -130,26 +115,28 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
return PTR_ERR(inode);
if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
- set_cold_file(sbi, inode, dentry->d_name.name);
+ set_cold_files(sbi, inode, dentry->d_name.name);
inode->i_op = &f2fs_file_inode_operations;
inode->i_fop = &f2fs_file_operations;
inode->i_mapping->a_ops = &f2fs_dblock_aops;
ino = inode->i_ino;
+ f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
+ f2fs_unlock_op(sbi);
if (err)
goto out;
alloc_nid_done(sbi, ino);
- if (!sbi->por_doing)
- d_instantiate(dentry, inode);
+ d_instantiate(dentry, inode);
unlock_new_inode(inode);
return 0;
out:
clear_nlink(inode);
unlock_new_inode(inode);
+ make_bad_inode(inode);
iput(inode);
alloc_nid_failed(sbi, ino);
return err;
@@ -166,10 +153,12 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
f2fs_balance_fs(sbi);
inode->i_ctime = CURRENT_TIME;
- atomic_inc(&inode->i_count);
+ ihold(inode);
set_inode_flag(F2FS_I(inode), FI_INC_LINK);
+ f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
+ f2fs_unlock_op(sbi);
if (err)
goto out;
@@ -197,7 +186,7 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
struct f2fs_dir_entry *de;
struct page *page;
- if (dentry->d_name.len > F2FS_MAX_NAME_LEN)
+ if (dentry->d_name.len > F2FS_NAME_LEN)
return ERR_PTR(-ENAMETOOLONG);
de = f2fs_find_entry(dir, &dentry->d_name, &page);
@@ -209,6 +198,8 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
inode = f2fs_iget(dir->i_sb, ino);
if (IS_ERR(inode))
return ERR_CAST(inode);
+
+ stat_inc_inline_inode(inode);
}
return d_splice_alias(inode, dentry);
@@ -223,24 +214,28 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
struct page *page;
int err = -ENOENT;
+ trace_f2fs_unlink_enter(dir, dentry);
f2fs_balance_fs(sbi);
de = f2fs_find_entry(dir, &dentry->d_name, &page);
if (!de)
goto fail;
- err = check_orphan_space(sbi);
+ f2fs_lock_op(sbi);
+ err = acquire_orphan_inode(sbi);
if (err) {
+ f2fs_unlock_op(sbi);
kunmap(page);
f2fs_put_page(page, 0);
goto fail;
}
-
f2fs_delete_entry(de, page, inode);
+ f2fs_unlock_op(sbi);
/* In order to evict this inode, we set it dirty */
mark_inode_dirty(inode);
fail:
+ trace_f2fs_unlink_exit(inode, err);
return err;
}
@@ -262,7 +257,9 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
inode->i_op = &f2fs_symlink_inode_operations;
inode->i_mapping->a_ops = &f2fs_dblock_aops;
+ f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
+ f2fs_unlock_op(sbi);
if (err)
goto out;
@@ -275,6 +272,7 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
out:
clear_nlink(inode);
unlock_new_inode(inode);
+ make_bad_inode(inode);
iput(inode);
alloc_nid_failed(sbi, inode->i_ino);
return err;
@@ -298,7 +296,9 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO);
set_inode_flag(F2FS_I(inode), FI_INC_LINK);
+ f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
+ f2fs_unlock_op(sbi);
if (err)
goto out_fail;
@@ -313,6 +313,7 @@ out_fail:
clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
clear_nlink(inode);
unlock_new_inode(inode);
+ make_bad_inode(inode);
iput(inode);
alloc_nid_failed(sbi, inode->i_ino);
return err;
@@ -346,7 +347,9 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
init_special_inode(inode, inode->i_mode, rdev);
inode->i_op = &f2fs_special_inode_operations;
+ f2fs_lock_op(sbi);
err = f2fs_add_link(dentry, inode);
+ f2fs_unlock_op(sbi);
if (err)
goto out;
@@ -357,6 +360,7 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
out:
clear_nlink(inode);
unlock_new_inode(inode);
+ make_bad_inode(inode);
iput(inode);
alloc_nid_failed(sbi, inode->i_ino);
return err;
@@ -370,7 +374,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *old_inode = old_dentry->d_inode;
struct inode *new_inode = new_dentry->d_inode;
struct page *old_dir_page;
- struct page *old_page;
+ struct page *old_page, *new_page;
struct f2fs_dir_entry *old_dir_entry = NULL;
struct f2fs_dir_entry *old_entry;
struct f2fs_dir_entry *new_entry;
@@ -389,10 +393,9 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
goto out_old;
}
- mutex_lock_op(sbi, RENAME);
+ f2fs_lock_op(sbi);
if (new_inode) {
- struct page *new_page;
err = -ENOTEMPTY;
if (old_dir_entry && !f2fs_empty_dir(new_inode))
@@ -404,15 +407,33 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (!new_entry)
goto out_dir;
+ err = acquire_orphan_inode(sbi);
+ if (err)
+ goto put_out_dir;
+
+ if (update_dent_inode(old_inode, &new_dentry->d_name)) {
+ release_orphan_inode(sbi);
+ goto put_out_dir;
+ }
+
f2fs_set_link(new_dir, new_entry, new_page, old_inode);
new_inode->i_ctime = CURRENT_TIME;
+ down_write(&F2FS_I(new_inode)->i_sem);
if (old_dir_entry)
drop_nlink(new_inode);
drop_nlink(new_inode);
+ up_write(&F2FS_I(new_inode)->i_sem);
+
+ mark_inode_dirty(new_inode);
+
if (!new_inode->i_nlink)
add_orphan_inode(sbi, new_inode->i_ino);
- f2fs_write_inode(new_inode, NULL);
+ else
+ release_orphan_inode(sbi);
+
+ update_inode_page(old_inode);
+ update_inode_page(new_inode);
} else {
err = f2fs_add_link(new_dentry, old_inode);
if (err)
@@ -420,12 +441,15 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (old_dir_entry) {
inc_nlink(new_dir);
- f2fs_write_inode(new_dir, NULL);
+ update_inode_page(new_dir);
}
}
+ down_write(&F2FS_I(old_inode)->i_sem);
+ file_lost_pino(old_inode);
+ up_write(&F2FS_I(old_inode)->i_sem);
+
old_inode->i_ctime = CURRENT_TIME;
- set_inode_flag(F2FS_I(old_inode), FI_NEED_CP);
mark_inode_dirty(old_inode);
f2fs_delete_entry(old_entry, old_page, NULL);
@@ -434,23 +458,28 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (old_dir != new_dir) {
f2fs_set_link(old_inode, old_dir_entry,
old_dir_page, new_dir);
+ update_inode_page(old_inode);
} else {
kunmap(old_dir_page);
f2fs_put_page(old_dir_page, 0);
}
drop_nlink(old_dir);
- f2fs_write_inode(old_dir, NULL);
+ mark_inode_dirty(old_dir);
+ update_inode_page(old_dir);
}
- mutex_unlock_op(sbi, RENAME);
+ f2fs_unlock_op(sbi);
return 0;
+put_out_dir:
+ kunmap(new_page);
+ f2fs_put_page(new_page, 0);
out_dir:
if (old_dir_entry) {
kunmap(old_dir_page);
f2fs_put_page(old_dir_page, 0);
}
- mutex_unlock_op(sbi, RENAME);
+ f2fs_unlock_op(sbi);
out_old:
kunmap(old_page);
f2fs_put_page(old_page, 0);
@@ -468,8 +497,10 @@ const struct inode_operations f2fs_dir_inode_operations = {
.rmdir = f2fs_rmdir,
.mknod = f2fs_mknod,
.rename = f2fs_rename,
+ .getattr = f2fs_getattr,
.setattr = f2fs_setattr,
.get_acl = f2fs_get_acl,
+ .set_acl = f2fs_set_acl,
#ifdef CONFIG_F2FS_FS_XATTR
.setxattr = generic_setxattr,
.getxattr = generic_getxattr,
@@ -482,6 +513,7 @@ const struct inode_operations f2fs_symlink_inode_operations = {
.readlink = generic_readlink,
.follow_link = page_follow_link_light,
.put_link = page_put_link,
+ .getattr = f2fs_getattr,
.setattr = f2fs_setattr,
#ifdef CONFIG_F2FS_FS_XATTR
.setxattr = generic_setxattr,
@@ -492,8 +524,10 @@ const struct inode_operations f2fs_symlink_inode_operations = {
};
const struct inode_operations f2fs_special_inode_operations = {
+ .getattr = f2fs_getattr,
.setattr = f2fs_setattr,
.get_acl = f2fs_get_acl,
+ .set_acl = f2fs_set_acl,
#ifdef CONFIG_F2FS_FS_XATTR
.setxattr = generic_setxattr,
.getxattr = generic_getxattr,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 07:02:30 +0000