diff options
| author | Christoph Hellwig <hch@infradead.org> | 2012-02-29 09:53:50 +0000 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2012-03-05 11:53:16 -0600 |
| commit | 84803fb78237014cbbc86c0f012b273a199f4691 (patch) | |
| tree | 5910f6bae119115d006f65dca3d8e698ed83fb42 /fs/xfs/xfs_iomap.c | |
| parent | 6923e686f19cb7017fc9777a10e06c2e2b2a2936 (diff) | |
| download | blackbird-obmc-linux-84803fb78237014cbbc86c0f012b273a199f4691.tar.gz blackbird-obmc-linux-84803fb78237014cbbc86c0f012b273a199f4691.zip | |
xfs: log file size updates as part of unwritten extent conversion
If we convert and unwritten extent past the current i_size log the size update
as part of the extent manipulation transactions instead of doing an unlogged
metadata update later.
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_iomap.c')
| -rw-r--r-- | fs/xfs/xfs_iomap.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 246c7d57c6f9..71a464503c43 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -31,6 +31,7 @@ #include "xfs_ialloc_btree.h" #include "xfs_dinode.h" #include "xfs_inode.h" +#include "xfs_inode_item.h" #include "xfs_btree.h" #include "xfs_bmap.h" #include "xfs_rtalloc.h" @@ -645,6 +646,7 @@ xfs_iomap_write_unwritten( xfs_trans_t *tp; xfs_bmbt_irec_t imap; xfs_bmap_free_t free_list; + xfs_fsize_t i_size; uint resblks; int committed; int error; @@ -705,7 +707,22 @@ xfs_iomap_write_unwritten( if (error) goto error_on_bmapi_transaction; - error = xfs_bmap_finish(&(tp), &(free_list), &committed); + /* + * Log the updated inode size as we go. We have to be careful + * to only log it up to the actual write offset if it is + * halfway into a block. + */ + i_size = XFS_FSB_TO_B(mp, offset_fsb + count_fsb); + if (i_size > offset + count) + i_size = offset + count; + + i_size = xfs_new_eof(ip, i_size); + if (i_size) { + ip->i_d.di_size = i_size; + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + } + + error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) goto error_on_bmapi_transaction; |
