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Diffstat (limited to 'fs/xfs/xfs_iomap.c')
-rw-r--r--fs/xfs/xfs_iomap.c31
1 files changed, 15 insertions, 16 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 7f537663365b..add06b4e9a63 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -41,6 +41,7 @@
#include "xfs_utils.h"
#include "xfs_iomap.h"
#include "xfs_trace.h"
+#include "xfs_icache.h"
#define XFS_WRITEIO_ALIGN(mp,off) (((off) >> mp->m_writeio_log) \
@@ -373,7 +374,7 @@ xfs_iomap_write_delay(
xfs_extlen_t extsz;
int nimaps;
xfs_bmbt_irec_t imap[XFS_WRITE_IMAPS];
- int prealloc, flushed = 0;
+ int prealloc;
int error;
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
@@ -434,31 +435,29 @@ retry:
}
/*
- * If bmapi returned us nothing, we got either ENOSPC or EDQUOT. For
- * ENOSPC, * flush all other inodes with delalloc blocks to free up
- * some of the excess reserved metadata space. For both cases, retry
+ * If bmapi returned us nothing, we got either ENOSPC or EDQUOT. Retry
* without EOF preallocation.
*/
if (nimaps == 0) {
trace_xfs_delalloc_enospc(ip, offset, count);
- if (flushed)
- return XFS_ERROR(error ? error : ENOSPC);
-
- if (error == ENOSPC) {
- xfs_iunlock(ip, XFS_ILOCK_EXCL);
- xfs_flush_inodes(ip);
- xfs_ilock(ip, XFS_ILOCK_EXCL);
+ if (prealloc) {
+ prealloc = 0;
+ error = 0;
+ goto retry;
}
-
- flushed = 1;
- error = 0;
- prealloc = 0;
- goto retry;
+ return XFS_ERROR(error ? error : ENOSPC);
}
if (!(imap[0].br_startblock || XFS_IS_REALTIME_INODE(ip)))
return xfs_alert_fsblock_zero(ip, &imap[0]);
+ /*
+ * Tag the inode as speculatively preallocated so we can reclaim this
+ * space on demand, if necessary.
+ */
+ if (prealloc)
+ xfs_inode_set_eofblocks_tag(ip);
+
*ret_imap = imap[0];
return 0;
}