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authorMichael Halcrow <mhalcrow@google.com>2015-04-11 07:46:49 -0400
committerTheodore Ts'o <tytso@mit.edu>2015-04-11 07:46:49 -0400
commite875a2ddba06ff8e84d4ce1c2bf69b67e4bf3678 (patch)
treeba6b2c75e715cf1a399c3c5e0706d91c39217114 /fs
parentb17655fb7f4a1d27c1e50dcc28268612da944a54 (diff)
ext4 crypto: export ext4_empty_dir()
Required for future encryption xattr changes. Signed-off-by: Michael Halcrow <mhalcrow@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/ext4.h1
-rw-r--r--fs/ext4/namei.c11
2 files changed, 7 insertions, 5 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index e1683829b2b5..180111de2302 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2199,6 +2199,7 @@ extern int ext4_generic_delete_entry(handle_t *handle,
void *entry_buf,
int buf_size,
int csum_size);
+extern int ext4_empty_dir(struct inode *inode);
/* resize.c */
extern int ext4_group_add(struct super_block *sb,
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 23a0b9bf822d..0dbd2d2937f7 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2457,7 +2457,7 @@ out_stop:
/*
* routine to check that the specified directory is empty (for rmdir)
*/
-static int empty_dir(struct inode *inode)
+int ext4_empty_dir(struct inode *inode)
{
unsigned int offset;
struct buffer_head *bh;
@@ -2725,7 +2725,7 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
goto end_rmdir;
retval = -ENOTEMPTY;
- if (!empty_dir(inode))
+ if (!ext4_empty_dir(inode))
goto end_rmdir;
handle = ext4_journal_start(dir, EXT4_HT_DIR,
@@ -3285,7 +3285,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
if (S_ISDIR(old.inode->i_mode)) {
if (new.inode) {
retval = -ENOTEMPTY;
- if (!empty_dir(new.inode))
+ if (!ext4_empty_dir(new.inode))
goto end_rename;
} else {
retval = -EMLINK;
@@ -3359,8 +3359,9 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
ext4_dec_count(handle, old.dir);
if (new.inode) {
- /* checked empty_dir above, can't have another parent,
- * ext4_dec_count() won't work for many-linked dirs */
+ /* checked ext4_empty_dir above, can't have another
+ * parent, ext4_dec_count() won't work for many-linked
+ * dirs */
clear_nlink(new.inode);
} else {
ext4_inc_count(handle, new.dir);