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Diffstat (limited to 'fs/nilfs2/namei.c')
-rw-r--r--fs/nilfs2/namei.c67
1 files changed, 22 insertions, 45 deletions
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 6e9557ecf16..9de78f08989 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -63,7 +63,7 @@ static inline int nilfs_add_nondir(struct dentry *dentry, struct inode *inode)
*/
static struct dentry *
-nilfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
+nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
{
struct inode *inode;
ino_t ino;
@@ -72,12 +72,7 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
return ERR_PTR(-ENAMETOOLONG);
ino = nilfs_inode_by_name(dir, &dentry->d_name);
- inode = NULL;
- if (ino) {
- inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino);
- if (IS_ERR(inode))
- return ERR_CAST(inode);
- }
+ inode = ino ? nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino) : NULL;
return d_splice_alias(inode, dentry);
}
@@ -89,8 +84,8 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
* If the create succeeds, we fill in the inode information
* with d_instantiate().
*/
-static int nilfs_create(struct inode *dir, struct dentry *dentry, int mode,
- struct nameidata *nd)
+static int nilfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
+ bool excl)
{
struct inode *inode;
struct nilfs_transaction_info ti;
@@ -117,7 +112,7 @@ static int nilfs_create(struct inode *dir, struct dentry *dentry, int mode,
}
static int
-nilfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
+nilfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev)
{
struct inode *inode;
struct nilfs_transaction_info ti;
@@ -198,9 +193,6 @@ static int nilfs_link(struct dentry *old_dentry, struct inode *dir,
struct nilfs_transaction_info ti;
int err;
- if (inode->i_nlink >= NILFS_LINK_MAX)
- return -EMLINK;
-
err = nilfs_transaction_begin(dir->i_sb, &ti, 1);
if (err)
return err;
@@ -218,15 +210,12 @@ static int nilfs_link(struct dentry *old_dentry, struct inode *dir,
return err;
}
-static int nilfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+static int nilfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
struct inode *inode;
struct nilfs_transaction_info ti;
int err;
- if (dir->i_nlink >= NILFS_LINK_MAX)
- return -EMLINK;
-
err = nilfs_transaction_begin(dir->i_sb, &ti, 1);
if (err)
return err;
@@ -294,7 +283,7 @@ static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry)
nilfs_warning(inode->i_sb, __func__,
"deleting nonexistent file (%lu), %d\n",
inode->i_ino, inode->i_nlink);
- inode->i_nlink = 1;
+ set_nlink(inode, 1);
}
err = nilfs_delete_entry(de, page);
if (err)
@@ -397,7 +386,6 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, &new_page);
if (!new_de)
goto out_dir;
- inc_nlink(old_inode);
nilfs_set_link(new_dir, new_de, new_page, old_inode);
nilfs_mark_inode_dirty(new_dir);
new_inode->i_ctime = CURRENT_TIME;
@@ -406,18 +394,9 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
drop_nlink(new_inode);
nilfs_mark_inode_dirty(new_inode);
} else {
- if (dir_de) {
- err = -EMLINK;
- if (new_dir->i_nlink >= NILFS_LINK_MAX)
- goto out_dir;
- }
- inc_nlink(old_inode);
err = nilfs_add_link(new_dentry, old_inode);
- if (err) {
- drop_nlink(old_inode);
- nilfs_mark_inode_dirty(old_inode);
+ if (err)
goto out_dir;
- }
if (dir_de) {
inc_nlink(new_dir);
nilfs_mark_inode_dirty(new_dir);
@@ -431,7 +410,6 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
old_inode->i_ctime = CURRENT_TIME;
nilfs_delete_entry(old_de, old_page);
- drop_nlink(old_inode);
if (dir_de) {
nilfs_set_link(old_inode, dir_de, dir_page, new_dir);
@@ -463,7 +441,7 @@ static struct dentry *nilfs_get_parent(struct dentry *child)
{
unsigned long ino;
struct inode *inode;
- struct qstr dotdot = {.name = "..", .len = 2};
+ struct qstr dotdot = QSTR_INIT("..", 2);
struct nilfs_root *root;
ino = nilfs_inode_by_name(child->d_inode, &dotdot);
@@ -488,7 +466,7 @@ static struct dentry *nilfs_get_dentry(struct super_block *sb, u64 cno,
if (ino < NILFS_FIRST_INO(sb) && ino != NILFS_ROOT_INO)
return ERR_PTR(-ESTALE);
- root = nilfs_lookup_root(NILFS_SB(sb)->s_nilfs, cno);
+ root = nilfs_lookup_root(sb->s_fs_info, cno);
if (!root)
return ERR_PTR(-ESTALE);
@@ -530,31 +508,29 @@ static struct dentry *nilfs_fh_to_parent(struct super_block *sb, struct fid *fh,
return nilfs_get_dentry(sb, fid->cno, fid->parent_ino, fid->parent_gen);
}
-static int nilfs_encode_fh(struct dentry *dentry, __u32 *fh, int *lenp,
- int connectable)
+static int nilfs_encode_fh(struct inode *inode, __u32 *fh, int *lenp,
+ struct inode *parent)
{
struct nilfs_fid *fid = (struct nilfs_fid *)fh;
- struct inode *inode = dentry->d_inode;
struct nilfs_root *root = NILFS_I(inode)->i_root;
int type;
- if (*lenp < NILFS_FID_SIZE_NON_CONNECTABLE ||
- (connectable && *lenp < NILFS_FID_SIZE_CONNECTABLE))
- return 255;
+ if (parent && *lenp < NILFS_FID_SIZE_CONNECTABLE) {
+ *lenp = NILFS_FID_SIZE_CONNECTABLE;
+ return FILEID_INVALID;
+ }
+ if (*lenp < NILFS_FID_SIZE_NON_CONNECTABLE) {
+ *lenp = NILFS_FID_SIZE_NON_CONNECTABLE;
+ return FILEID_INVALID;
+ }
fid->cno = root->cno;
fid->ino = inode->i_ino;
fid->gen = inode->i_generation;
- if (connectable && !S_ISDIR(inode->i_mode)) {
- struct inode *parent;
-
- spin_lock(&dentry->d_lock);
- parent = dentry->d_parent->d_inode;
+ if (parent) {
fid->parent_ino = parent->i_ino;
fid->parent_gen = parent->i_generation;
- spin_unlock(&dentry->d_lock);
-
type = FILEID_NILFS_WITH_PARENT;
*lenp = NILFS_FID_SIZE_CONNECTABLE;
} else {
@@ -577,6 +553,7 @@ const struct inode_operations nilfs_dir_inode_operations = {
.rename = nilfs_rename,
.setattr = nilfs_setattr,
.permission = nilfs_permission,
+ .fiemap = nilfs_fiemap,
};
const struct inode_operations nilfs_special_inode_operations = {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 18:30:10 +0000