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: Joern Engel <joern@logfs.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/logfs/inode.c b/fs/logfs/inode.c
index 14ed27274da2..45bf86f1595a 100644
--- a/fs/logfs/inode.c
+++ b/fs/logfs/inode.c
@@ -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) {