diff options
| author | Christoph Hellwig <hch@lst.de> | 2011-07-08 14:36:25 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2011-07-08 14:36:25 +0200 |
| commit | c8da0faf6b07623c473cab42967f943ad4ab7560 (patch) | |
| tree | 6bfd211ba798c482f592c81bfbe4760758c829e8 /fs/xfs | |
| parent | 0c842ad46a51891ac4420b7285613f4134a65ccd (diff) | |
xfs: return the buffer locked from xfs_buf_get_uncached
All other xfs_buf_get/read-like helpers return the buffer locked, make sure
xfs_buf_get_uncached isn't different for no reason. Half of the callers
already lock it directly after, and the others probably should also keep
it locked if only for consistency and beeing able to use xfs_buf_rele,
but I'll leave that for later.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_buf.c | 3 | ||||
| -rw-r--r-- | fs/xfs/xfs_log.c | 3 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_recover.c | 8 | ||||
| -rw-r--r-- | fs/xfs/xfs_vnodeops.c | 2 |
4 files changed, 9 insertions, 7 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index c7722761540..6ad5ae249bf 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -679,7 +679,6 @@ xfs_buf_read_uncached( return NULL; /* set up the buffer for a read IO */ - xfs_buf_lock(bp); XFS_BUF_SET_ADDR(bp, daddr); XFS_BUF_READ(bp); XFS_BUF_BUSY(bp); @@ -814,8 +813,6 @@ xfs_buf_get_uncached( goto fail_free_mem; } - xfs_buf_unlock(bp); - trace_xfs_buf_get_uncached(bp, _RET_IP_); return bp; diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 68e053ea6e7..44c269b387c 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -1090,8 +1090,7 @@ xlog_alloc_log(xfs_mount_t *mp, log->l_iclog_size, 0); if (!bp) goto out_free_iclog; - if (!xfs_buf_trylock(bp)) - ASSERT(0); + XFS_BUF_SET_IODONE_FUNC(bp, xlog_iodone); XFS_BUF_SET_FSPRIVATE2(bp, (unsigned long)1); iclog->ic_bp = bp; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index a74e2640834..40c9742aa47 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -91,6 +91,8 @@ xlog_get_bp( xlog_t *log, int nbblks) { + struct xfs_buf *bp; + if (!xlog_buf_bbcount_valid(log, nbblks)) { xfs_warn(log->l_mp, "Invalid block length (0x%x) for buffer", nbblks); @@ -118,8 +120,10 @@ xlog_get_bp( nbblks += log->l_sectBBsize; nbblks = round_up(nbblks, log->l_sectBBsize); - return xfs_buf_get_uncached(log->l_mp->m_logdev_targp, - BBTOB(nbblks), 0); + bp = xfs_buf_get_uncached(log->l_mp->m_logdev_targp, BBTOB(nbblks), 0); + if (bp) + xfs_buf_unlock(bp); + return bp; } STATIC void diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 11242c48277..88d121486c5 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -1969,6 +1969,8 @@ xfs_zero_remaining_bytes( if (!bp) return XFS_ERROR(ENOMEM); + xfs_buf_unlock(bp); + for (offset = startoff; offset <= endoff; offset = lastoffset + 1) { offset_fsb = XFS_B_TO_FSBT(mp, offset); nimap = 1; |