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[040/622] lustre: llite: decrease sa_running if fail to start statahead

Message ID 1582838290-17243-41-git-send-email-jsimmons@infradead.org
State New, archived
Headers show
Series lustre: sync closely to 2.13.52 | expand

Commit Message

James Simmons Feb. 27, 2020, 9:08 p.m. UTC
From: Fan Yong <fan.yong@intel.com>

Otherwise the counter of ll_sb_info::ll_sa_running will leak as
to the umount process will be blocked for ever.

WC-bug-id: https://jira.whamcloud.com/browse/LU-10992
Lustre-commit: 6b8638bf7920 ("LU-10992 llite: decrease sa_running if fail to start statahead")
Signed-off-by: Fan Yong <fan.yong@intel.com>
Reviewed-on: https://review.whamcloud.com/32287
Reviewed-by: Lai Siyao <lai.siyao@whamcloud.com>
Reviewed-by: Bobi Jam <bobijam@hotmail.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
 fs/lustre/llite/statahead.c | 1 +
 1 file changed, 1 insertion(+)
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diff --git a/fs/lustre/llite/statahead.c b/fs/lustre/llite/statahead.c
index 4a61dac..122b9d8 100644
--- a/fs/lustre/llite/statahead.c
+++ b/fs/lustre/llite/statahead.c
@@ -1566,6 +1566,7 @@  static int start_statahead_thread(struct inode *dir, struct dentry *dentry)
 		lli->lli_sai = NULL;
+		atomic_dec(&ll_i2sbi(parent->d_inode)->ll_sa_running);
 		rc = PTR_ERR(task);
 		CERROR("can't start ll_sa thread, rc : %d\n", rc);
 		goto out;