diff options
Diffstat (limited to 'fs/xfs/xfs_iomap.c')
| -rw-r--r-- | fs/xfs/xfs_iomap.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index fde37f87d52f..7edcde691d1a 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -196,14 +196,14 @@ xfs_iomap( break; case BMAPI_WRITE: xfs_iomap_enter_trace(XFS_IOMAP_WRITE_ENTER, ip, offset, count); - lockmode = XFS_ILOCK_EXCL|XFS_EXTSIZE_WR; + lockmode = XFS_ILOCK_EXCL; if (flags & BMAPI_IGNSTATE) bmapi_flags |= XFS_BMAPI_IGSTATE|XFS_BMAPI_ENTIRE; xfs_ilock(ip, lockmode); break; case BMAPI_ALLOCATE: xfs_iomap_enter_trace(XFS_IOMAP_ALLOC_ENTER, ip, offset, count); - lockmode = XFS_ILOCK_SHARED|XFS_EXTSIZE_RD; + lockmode = XFS_ILOCK_SHARED; bmapi_flags = XFS_BMAPI_ENTIRE; /* Attempt non-blocking lock */ @@ -523,8 +523,7 @@ xfs_iomap_write_direct( goto error_out; } - if (unlikely(!imap.br_startblock && - !(XFS_IS_REALTIME_INODE(ip)))) { + if (!(imap.br_startblock || XFS_IS_REALTIME_INODE(ip))) { error = xfs_cmn_err_fsblock_zero(ip, &imap); goto error_out; } @@ -624,7 +623,7 @@ xfs_iomap_write_delay( int prealloc, fsynced = 0; int error; - ASSERT(ismrlocked(&ip->i_lock, MR_UPDATE) != 0); + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); /* * Make sure that the dquots are there. This doesn't hold @@ -686,8 +685,7 @@ retry: goto retry; } - if (unlikely(!imap[0].br_startblock && - !(XFS_IS_REALTIME_INODE(ip)))) + if (!(imap[0].br_startblock || XFS_IS_REALTIME_INODE(ip))) return xfs_cmn_err_fsblock_zero(ip, &imap[0]); *ret_imap = imap[0]; @@ -802,8 +800,11 @@ xfs_iomap_write_allocate( */ nimaps = 1; end_fsb = XFS_B_TO_FSB(mp, ip->i_size); - xfs_bmap_last_offset(NULL, ip, &last_block, - XFS_DATA_FORK); + error = xfs_bmap_last_offset(NULL, ip, &last_block, + XFS_DATA_FORK); + if (error) + goto trans_cancel; + last_block = XFS_FILEOFF_MAX(last_block, end_fsb); if ((map_start_fsb + count_fsb) > last_block) { count_fsb = last_block - map_start_fsb; @@ -835,9 +836,9 @@ xfs_iomap_write_allocate( * See if we were able to allocate an extent that * covers at least part of the callers request */ - if (unlikely(!imap.br_startblock && - XFS_IS_REALTIME_INODE(ip))) + if (!(imap.br_startblock || XFS_IS_REALTIME_INODE(ip))) return xfs_cmn_err_fsblock_zero(ip, &imap); + if ((offset_fsb >= imap.br_startoff) && (offset_fsb < (imap.br_startoff + imap.br_blockcount))) { @@ -931,8 +932,7 @@ xfs_iomap_write_unwritten( if (error) return XFS_ERROR(error); - if (unlikely(!imap.br_startblock && - !(XFS_IS_REALTIME_INODE(ip)))) + if (!(imap.br_startblock || XFS_IS_REALTIME_INODE(ip))) return xfs_cmn_err_fsblock_zero(ip, &imap); if ((numblks_fsb = imap.br_blockcount) == 0) { |