diff options
-rw-r--r-- | fs/xfs/linux-2.6/xfs_aops.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 691f612..23a7668 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -1082,17 +1082,17 @@ xfs_vm_writepage( if (buffer_unwritten(bh) || buffer_delay(bh)) { int new_ioend = 0; - /* - * Make sure we don't use a read-only iomap - */ - if (flags == BMAPI_READ) - imap_valid = 0; - if (buffer_unwritten(bh)) { - type = IO_UNWRITTEN; + if (type != IO_UNWRITTEN) { + type = IO_UNWRITTEN; + imap_valid = 0; + } flags = BMAPI_WRITE | BMAPI_IGNSTATE; } else if (buffer_delay(bh)) { - type = IO_DELAY; + if (type != IO_DELAY) { + type = IO_DELAY; + imap_valid = 0; + } flags = BMAPI_ALLOCATE; if (wbc->sync_mode == WB_SYNC_NONE) @@ -1128,8 +1128,11 @@ xfs_vm_writepage( * That means it must already have extents allocated * underneath it. Map the extent by reading it. */ - if (!imap_valid || flags != BMAPI_READ) { + if (flags != BMAPI_READ) { flags = BMAPI_READ; + imap_valid = 0; + } + if (!imap_valid) { size = xfs_probe_cluster(inode, page, bh, head); err = xfs_map_blocks(inode, offset, size, &imap, flags); |