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-rw-r--r--fs/xfs/xfs_buf.c53
1 files changed, 23 insertions, 30 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index a4beb421018..269b35c084d 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -989,27 +989,6 @@ xfs_buf_ioerror_alert(
989 (__uint64_t)XFS_BUF_ADDR(bp), func, bp->b_error, bp->b_length); 989 (__uint64_t)XFS_BUF_ADDR(bp), func, bp->b_error, bp->b_length);
990} 990}
991 991
992int
993xfs_bwrite(
994 struct xfs_buf *bp)
995{
996 int error;
997
998 ASSERT(xfs_buf_islocked(bp));
999
1000 bp->b_flags |= XBF_WRITE;
1001 bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q);
1002
1003 xfs_bdstrat_cb(bp);
1004
1005 error = xfs_buf_iowait(bp);
1006 if (error) {
1007 xfs_force_shutdown(bp->b_target->bt_mount,
1008 SHUTDOWN_META_IO_ERROR);
1009 }
1010 return error;
1011}
1012
1013/* 992/*
1014 * Called when we want to stop a buffer from getting written or read. 993 * Called when we want to stop a buffer from getting written or read.
1015 * We attach the EIO error, muck with its flags, and call xfs_buf_ioend 994 * We attach the EIO error, muck with its flags, and call xfs_buf_ioend
@@ -1079,14 +1058,7 @@ xfs_bioerror_relse(
1079 return EIO; 1058 return EIO;
1080} 1059}
1081 1060
1082 1061STATIC int
1083/*
1084 * All xfs metadata buffers except log state machine buffers
1085 * get this attached as their b_bdstrat callback function.
1086 * This is so that we can catch a buffer
1087 * after prematurely unpinning it to forcibly shutdown the filesystem.
1088 */
1089int
1090xfs_bdstrat_cb( 1062xfs_bdstrat_cb(
1091 struct xfs_buf *bp) 1063 struct xfs_buf *bp)
1092{ 1064{
@@ -1107,6 +1079,27 @@ xfs_bdstrat_cb(
1107 return 0; 1079 return 0;
1108} 1080}
1109 1081
1082int
1083xfs_bwrite(
1084 struct xfs_buf *bp)
1085{
1086 int error;
1087
1088 ASSERT(xfs_buf_islocked(bp));
1089
1090 bp->b_flags |= XBF_WRITE;
1091 bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q);
1092
1093 xfs_bdstrat_cb(bp);
1094
1095 error = xfs_buf_iowait(bp);
1096 if (error) {
1097 xfs_force_shutdown(bp->b_target->bt_mount,
1098 SHUTDOWN_META_IO_ERROR);
1099 }
1100 return error;
1101}
1102
1110/* 1103/*
1111 * Wrapper around bdstrat so that we can stop data from going to disk in case 1104 * Wrapper around bdstrat so that we can stop data from going to disk in case
1112 * we are shutting down the filesystem. Typically user data goes thru this 1105 * we are shutting down the filesystem. Typically user data goes thru this
@@ -1243,7 +1236,7 @@ xfs_buf_iorequest(
1243 */ 1236 */
1244 atomic_set(&bp->b_io_remaining, 1); 1237 atomic_set(&bp->b_io_remaining, 1);
1245 _xfs_buf_ioapply(bp); 1238 _xfs_buf_ioapply(bp);
1246 _xfs_buf_ioend(bp, 0); 1239 _xfs_buf_ioend(bp, 1);
1247 1240
1248 xfs_buf_rele(bp); 1241 xfs_buf_rele(bp);
1249} 1242}