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Diffstat (limited to 'fs/f2fs/namei.c')
-rw-r--r--fs/f2fs/namei.c54
1 files changed, 36 insertions, 18 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index c5b99042e6f2..4faf06e8bf89 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -272,9 +272,8 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
err = dquot_initialize(dir);
if (err)
@@ -321,9 +320,8 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
err = fscrypt_prepare_link(old_dentry, dir, dentry);
if (err)
@@ -489,6 +487,17 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
goto out_iput;
}
out_splice:
+#ifdef CONFIG_UNICODE
+ if (!inode && IS_CASEFOLDED(dir)) {
+ /* Eventually we want to call d_add_ci(dentry, NULL)
+ * for negative dentries in the encoding case as
+ * well. For now, prevent the negative dentry
+ * from being cached.
+ */
+ trace_f2fs_lookup_end(dir, dentry, ino, err);
+ return NULL;
+ }
+#endif
new = d_splice_alias(inode, dentry);
err = PTR_ERR_OR_ZERO(new);
trace_f2fs_lookup_end(dir, dentry, ino, err);
@@ -537,6 +546,16 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
goto fail;
}
f2fs_delete_entry(de, page, dir, inode);
+#ifdef CONFIG_UNICODE
+ /* VFS negative dentries are incompatible with Encoding and
+ * Case-insensitiveness. Eventually we'll want avoid
+ * invalidating the dentries here, alongside with returning the
+ * negative dentries at f2fs_lookup(), when it is better
+ * supported by the VFS for the CI case.
+ */
+ if (IS_CASEFOLDED(dir))
+ d_invalidate(dentry);
+#endif
f2fs_unlock_op(sbi);
if (IS_DIRSYNC(dir))
@@ -571,9 +590,8 @@ static int f2fs_symlink(struct inode *dir, struct dentry *dentry,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
err = fscrypt_prepare_symlink(dir, symname, len, dir->i_sb->s_blocksize,
&disk_link);
@@ -703,9 +721,8 @@ static int f2fs_mknod(struct inode *dir, struct dentry *dentry,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
err = dquot_initialize(dir);
if (err)
@@ -804,6 +821,8 @@ static int f2fs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
if (IS_ENCRYPTED(dir) || DUMMY_ENCRYPTION_ENABLED(sbi)) {
int err = fscrypt_get_encryption_info(dir);
@@ -840,9 +859,8 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
if (is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
(!projid_eq(F2FS_I(new_dir)->i_projid,
@@ -1035,9 +1053,8 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
if (unlikely(f2fs_cp_error(sbi)))
return -EIO;
- err = f2fs_is_checkpoint_ready(sbi);
- if (err)
- return err;
+ if (!f2fs_is_checkpoint_ready(sbi))
+ return -ENOSPC;
if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
!projid_eq(F2FS_I(new_dir)->i_projid,
@@ -1250,6 +1267,7 @@ const struct inode_operations f2fs_dir_inode_operations = {
#ifdef CONFIG_F2FS_FS_XATTR
.listxattr = f2fs_listxattr,
#endif
+ .fiemap = f2fs_fiemap,
};
const struct inode_operations f2fs_symlink_inode_operations = {
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