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>
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 745492b..8e11b07 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -179,13 +179,14 @@
ioend->io_error = -error;
goto done;
}
+ } else {
+ /*
+ * We might have to update the on-disk file size after
+ * extending writes.
+ */
+ xfs_setfilesize(ioend);
}
- /*
- * We might have to update the on-disk file size after extending
- * writes.
- */
- xfs_setfilesize(ioend);
done:
xfs_destroy_ioend(ioend);
}
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 246c7d5..71a4645 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_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 @@
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;