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-rw-r--r--fs/gfs2/meta_io.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 6c1e5d1c404..22255d96b27 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -52,7 +52,7 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb
/*
* If it's a fully non-blocking write attempt and we cannot
* lock the buffer then redirty the page. Note that this can
- * potentially cause a busy-wait loop from pdflush and kswapd
+ * potentially cause a busy-wait loop from flusher thread and kswapd
* activity, but those code paths have their own higher-level
* throttling.
*/
@@ -213,8 +213,10 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
struct gfs2_sbd *sdp = gl->gl_sbd;
struct buffer_head *bh;
- if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
+ if (unlikely(test_bit(SDF_SHUTDOWN, &sdp->sd_flags))) {
+ *bhp = NULL;
return -EIO;
+ }
*bhp = bh = gfs2_getbuf(gl, blkno, CREATE);
@@ -235,6 +237,7 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
if (tr && tr->tr_touched)
gfs2_io_error_bh(sdp, bh);
brelse(bh);
+ *bhp = NULL;
return -EIO;
}