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path: root/fs/xfs/xfs_iomap.c
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Diffstat (limited to 'fs/xfs/xfs_iomap.c')
-rw-r--r--fs/xfs/xfs_iomap.c61
1 files changed, 15 insertions, 46 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 08ce72316bfe..5aaa2d7ec155 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -338,38 +338,6 @@ xfs_iomap_eof_align_last_fsb(
}
STATIC int
-xfs_flush_space(
- xfs_inode_t *ip,
- int *fsynced,
- int *ioflags)
-{
- switch (*fsynced) {
- case 0:
- if (ip->i_delayed_blks) {
- xfs_iunlock(ip, XFS_ILOCK_EXCL);
- xfs_flush_inode(ip);
- xfs_ilock(ip, XFS_ILOCK_EXCL);
- *fsynced = 1;
- } else {
- *ioflags |= BMAPI_SYNC;
- *fsynced = 2;
- }
- return 0;
- case 1:
- *fsynced = 2;
- *ioflags |= BMAPI_SYNC;
- return 0;
- case 2:
- xfs_iunlock(ip, XFS_ILOCK_EXCL);
- xfs_flush_device(ip);
- xfs_ilock(ip, XFS_ILOCK_EXCL);
- *fsynced = 3;
- return 0;
- }
- return 1;
-}
-
-STATIC int
xfs_cmn_err_fsblock_zero(
xfs_inode_t *ip,
xfs_bmbt_irec_t *imap)
@@ -538,15 +506,9 @@ error_out:
}
/*
- * If the caller is doing a write at the end of the file,
- * then extend the allocation out to the file system's write
- * iosize. We clean up any extra space left over when the
- * file is closed in xfs_inactive().
- *
- * For sync writes, we are flushing delayed allocate space to
- * try to make additional space available for allocation near
- * the filesystem full boundary - preallocation hurts in that
- * situation, of course.
+ * If the caller is doing a write at the end of the file, then extend the
+ * allocation out to the file system's write iosize. We clean up any extra
+ * space left over when the file is closed in xfs_inactive().
*/
STATIC int
xfs_iomap_eof_want_preallocate(
@@ -565,7 +527,7 @@ xfs_iomap_eof_want_preallocate(
int n, error, imaps;
*prealloc = 0;
- if ((ioflag & BMAPI_SYNC) || (offset + count) <= ip->i_size)
+ if ((offset + count) <= ip->i_size)
return 0;
/*
@@ -611,7 +573,7 @@ xfs_iomap_write_delay(
xfs_extlen_t extsz;
int nimaps;
xfs_bmbt_irec_t imap[XFS_WRITE_IMAPS];
- int prealloc, fsynced = 0;
+ int prealloc, flushed = 0;
int error;
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
@@ -627,12 +589,12 @@ xfs_iomap_write_delay(
extsz = xfs_get_extsz_hint(ip);
offset_fsb = XFS_B_TO_FSBT(mp, offset);
-retry:
error = xfs_iomap_eof_want_preallocate(mp, ip, offset, count,
ioflag, imap, XFS_WRITE_IMAPS, &prealloc);
if (error)
return error;
+retry:
if (prealloc) {
aligned_offset = XFS_WRITEIO_ALIGN(mp, (offset + count - 1));
ioalign = XFS_B_TO_FSBT(mp, aligned_offset);
@@ -659,15 +621,22 @@ retry:
/*
* If bmapi returned us nothing, and if we didn't get back EDQUOT,
- * then we must have run out of space - flush delalloc, and retry..
+ * then we must have run out of space - flush all other inodes with
+ * delalloc blocks and retry without EOF preallocation.
*/
if (nimaps == 0) {
xfs_iomap_enter_trace(XFS_IOMAP_WRITE_NOSPACE,
ip, offset, count);
- if (xfs_flush_space(ip, &fsynced, &ioflag))
+ if (flushed)
return XFS_ERROR(ENOSPC);
+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
+ xfs_flush_inodes(ip);
+ xfs_ilock(ip, XFS_ILOCK_EXCL);
+
+ flushed = 1;
error = 0;
+ prealloc = 0;
goto retry;
}