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ext4 crypto: export ext4_empty_dir()

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Required for future encryption xattr changes.

Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Michael Halcrow 2015-04-11 07:46:49 -04:00 committed by Theodore Ts'o
parent b17655fb7f
commit e875a2ddba
2 changed files with 7 additions and 5 deletions
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1
fs/ext4/ext4.h
View File

@ -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,

11
fs/ext4/namei.c
View File

@ -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);