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| author | Jim Garlick <garlick@llnl.gov> | 2012-01-03 15:27:50 -0600 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2012-01-05 10:51:44 -0600 |
| commit | a0ea787b027b79cf2e01c6758e5246db06520158 (patch) | |
| tree | b3066e9a557e5add9dc99ee9f763fcf7c3926b5f | |
| parent | 805a6af8dba5dfdd35ec35dc52ec0122400b2610 (diff) | |
| download | linux-3.10-a0ea787b027b79cf2e01c6758e5246db06520158.tar.gz linux-3.10-a0ea787b027b79cf2e01c6758e5246db06520158.tar.bz2 linux-3.10-a0ea787b027b79cf2e01c6758e5246db06520158.zip | |
fs/9p: check schedule_timeout_interruptible return value
In v9fs_file_do_lock() we need to check return value of
schedule_timeout_interruptible() and exit the loop when it
returns nonzero, otherwise the loop is not really interruptible
and after the signal, the loop is no longer throttled by
P9_LOCK_TIMEOUT.
Signed-off-by: Jim Garlick <garlick.jim@gmail.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
| -rw-r--r-- | fs/9p/vfs_file.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 62857a810a7..a7ac45d5bd2 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -204,7 +204,8 @@ static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl) break; if (status == P9_LOCK_BLOCKED && !IS_SETLKW(cmd)) break; - schedule_timeout_interruptible(P9_LOCK_TIMEOUT); + if (schedule_timeout_interruptible(P9_LOCK_TIMEOUT) != 0) + break; } /* map 9p status to VFS status */ |