2 files changed, 16 insertions, 48 deletions

diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 7b8b17071030..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);
-                        delay(1);
-                        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_inodes(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;
         }
 
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
index a1cc1322fc0f..fdcf7b82747f 100644
--- a/fs/xfs/xfs_iomap.h
+++ b/fs/xfs/xfs_iomap.h
@@ -40,8 +40,7 @@ typedef enum {
         BMAPI_IGNSTATE = (1 << 4),      /* ignore unwritten state on read */
         BMAPI_DIRECT = (1 << 5),        /* direct instead of buffered write */
         BMAPI_MMAP = (1 << 6),          /* allocate for mmap write */
-        BMAPI_SYNC = (1 << 7),          /* sync write to flush delalloc space */
-        BMAPI_TRYLOCK = (1 << 8),       /* non-blocking request */
+        BMAPI_TRYLOCK = (1 << 7),       /* non-blocking request */
 } bmapi_flags_t;