commit a773d4252763ce9a6e1b0ecdaf2821338b7f0611
Author: Yiannis Pericleous <[EMAIL PROTECTED]>
Date: Wed Apr 11 15:49:33 2007 -0400
concurency bug
diff --git a/fs/unionfs/dirhelper.c b/fs/unionfs/dirhelper.c
index d9872af..740a823 100644
--- a/fs/unionfs/dirhelper.c
+++ b/fs/unionfs/dirhelper.c
@@ -724,11 +724,13 @@ int odf_cache_dir(struct dentry *d_upper, struct dentry
*d_odf, struct timespec
sb = d_upper->d_sb;
retry:
unionfs_read_lock(sb);
- odf_lock(UNIONFS_SB(sb)->odf->odi_ic);
- BUG_ON(!S_ISDIR(d_upper->d_inode->i_mode));
if ((err = unionfs_partial_lookup(d_upper)))
- goto out;
+ goto out_sb;
+
+retry:
+ odf_lock(UNIONFS_SB(sb)->odf->odi_ic);
+ BUG_ON(!S_ISDIR(d_upper->d_inode->i_mode));
i_odf = d_odf->d_inode;
@@ -842,13 +844,15 @@ out:
odf_file = NULL;
odf_unlock(UNIONFS_SB(sb)->odf->odi_ic);
- unionfs_read_unlock(sb);
if (err == -ENOSPC && !cleaned) {
cleaned = 1;
wake_up_and_wait_sioa(UNIONFS_SB(sb)->odf->cleanup);
goto retry;
}
+
+out_sb:
+ unionfs_read_unlock(sb);
return err;
}
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