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authorDavid S. Miller <davem@davemloft.net>2012-11-25 12:49:17 -0500
committerDavid S. Miller <davem@davemloft.net>2012-11-25 12:49:17 -0500
commit24bc518a6888e4c97add5a5ebbff11c1ccac219f (patch)
treed125270f4e8432cebcbc8af9079dece51dd798a0 /fs/xfs/xfs_buf.c
parentb3e3bd71b429c04490d6a57671f2bbe2121d4f5a (diff)
parent194d9831f0419b5125dc94ec0ece4434d8ef74f0 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/wireless/iwlwifi/pcie/tx.c Minor iwlwifi conflict in TX queue disabling between 'net', which removed a bogus warning, and 'net-next' which added some status register poking code. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/xfs/xfs_buf.c')
-rw-r--r--fs/xfs/xfs_buf.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 933b7930b863..4b0b8dd1b7b0 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1197,9 +1197,14 @@ xfs_buf_bio_end_io(
1197{ 1197{
1198 xfs_buf_t *bp = (xfs_buf_t *)bio->bi_private; 1198 xfs_buf_t *bp = (xfs_buf_t *)bio->bi_private;
1199 1199
1200 xfs_buf_ioerror(bp, -error); 1200 /*
1201 * don't overwrite existing errors - otherwise we can lose errors on
1202 * buffers that require multiple bios to complete.
1203 */
1204 if (!bp->b_error)
1205 xfs_buf_ioerror(bp, -error);
1201 1206
1202 if (!error && xfs_buf_is_vmapped(bp) && (bp->b_flags & XBF_READ)) 1207 if (!bp->b_error && xfs_buf_is_vmapped(bp) && (bp->b_flags & XBF_READ))
1203 invalidate_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp)); 1208 invalidate_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp));
1204 1209
1205 _xfs_buf_ioend(bp, 1); 1210 _xfs_buf_ioend(bp, 1);
@@ -1279,6 +1284,11 @@ next_chunk:
1279 if (size) 1284 if (size)
1280 goto next_chunk; 1285 goto next_chunk;
1281 } else { 1286 } else {
1287 /*
1288 * This is guaranteed not to be the last io reference count
1289 * because the caller (xfs_buf_iorequest) holds a count itself.
1290 */
1291 atomic_dec(&bp->b_io_remaining);
1282 xfs_buf_ioerror(bp, EIO); 1292 xfs_buf_ioerror(bp, EIO);
1283 bio_put(bio); 1293 bio_put(bio);
1284 } 1294 }