Commit ccc0197b authored by Joern Engel's avatar Joern Engel
Browse files

logfs: Close i_ino reuse race



logfs_seek_hole() may return the same offset it is passed as argument.
Found by Prasad Joshi <prasadjoshi124@gmail.com>
Signed-off-by: default avatarJoern Engel <joern@logfs.org>
parent bd2b3f29
......@@ -326,7 +326,7 @@ static void logfs_set_ino_generation(struct super_block *sb,
u64 ino;
mutex_lock(&super->s_journal_mutex);
ino = logfs_seek_hole(super->s_master_inode, super->s_last_ino);
ino = logfs_seek_hole(super->s_master_inode, super->s_last_ino + 1);
super->s_last_ino = ino;
super->s_inos_till_wrap--;
if (super->s_inos_till_wrap < 0) {
......
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