diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_rtbitmap.c | 27 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_shared.h | 1 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_recover.c | 4 |
3 files changed, 29 insertions, 3 deletions
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index 377a2e6552f3..33806e0c2bc6 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -42,6 +42,31 @@ */ /* + * Real time buffers need verifiers to avoid runtime warnings during IO. + * We don't have anything to verify, however, so these are just dummy + * operations. + */ +static void +xfs_rtbuf_verify_read( + struct xfs_buf *bp) +{ + return; +} + +static void +xfs_rtbuf_verify_write( + struct xfs_buf *bp) +{ + return; +} + +const struct xfs_buf_ops xfs_rtbuf_ops = { + .name = "rtbuf", + .verify_read = xfs_rtbuf_verify_read, + .verify_write = xfs_rtbuf_verify_write, +}; + +/* * Get a buffer for the bitmap or summary file block specified. * The buffer is returned read and locked. */ @@ -68,7 +93,7 @@ xfs_rtbuf_get( ASSERT(map.br_startblock != NULLFSBLOCK); error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, XFS_FSB_TO_DADDR(mp, map.br_startblock), - mp->m_bsize, 0, &bp, NULL); + mp->m_bsize, 0, &bp, &xfs_rtbuf_ops); if (error) return error; diff --git a/fs/xfs/libxfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h index 15c3ceb845b9..81ac870834da 100644 --- a/fs/xfs/libxfs/xfs_shared.h +++ b/fs/xfs/libxfs/xfs_shared.h @@ -53,6 +53,7 @@ extern const struct xfs_buf_ops xfs_dquot_buf_ra_ops; extern const struct xfs_buf_ops xfs_sb_buf_ops; extern const struct xfs_buf_ops xfs_sb_quiet_buf_ops; extern const struct xfs_buf_ops xfs_symlink_buf_ops; +extern const struct xfs_buf_ops xfs_rtbuf_ops; /* * Transaction types. Used to distinguish types of buffers. These never reach diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index afdd326df923..ed8c88917300 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2476,8 +2476,8 @@ xlog_recover_validate_buf_type( #ifdef CONFIG_XFS_RT case XFS_BLFT_RTBITMAP_BUF: case XFS_BLFT_RTSUMMARY_BUF: - /* no verification of RT buffers is done */ - bp->b_ops = NULL; + /* no magic numbers for verification of RT buffers */ + bp->b_ops = &xfs_rtbuf_ops; break; #endif /* CONFIG_XFS_RT */ default: |