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-rw-r--r--fs/pipe.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/pipe.c b/fs/pipe.c
index 0e0752ef2715..78fd0d0788db 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -663,10 +663,11 @@ out:
wake_up_interruptible_sync_poll(&pipe->wait, POLLIN | POLLRDNORM);
kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
}
- if (ret > 0) {
+ if (ret > 0 && sb_start_write_trylock(file_inode(filp)->i_sb)) {
int err = file_update_time(filp);
if (err)
ret = err;
+ sb_end_write(file_inode(filp)->i_sb);
}
return ret;
}