Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next

[firefly-linux-kernel-4.4.55.git] / fs / xfs / xfs_iomap.c

diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 2262ce32926a580dbaa5c7318b8dd013b459f177..c980e2a5086be61ca20d04607a9f1eb9ac703510 100644 (file)
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -49,7 +49,6 @@ xfs_iomap_eof_align_last_fsb(
        xfs_extlen_t    extsize,
        xfs_fileoff_t   *last_fsb)
 {
-       xfs_fileoff_t   new_last_fsb = 0;
        xfs_extlen_t    align = 0;
        int             eof, error;
 
@@ -67,8 +66,8 @@ xfs_iomap_eof_align_last_fsb(
                else if (mp->m_dalign)
                        align = mp->m_dalign;
 
-               if (align && XFS_ISIZE(ip) >= XFS_FSB_TO_B(mp, align))
-                       new_last_fsb = roundup_64(*last_fsb, align);
+               if (align && XFS_ISIZE(ip) < XFS_FSB_TO_B(mp, align))
+                       align = 0;
        }
 
        /*
@@ -76,14 +75,14 @@ xfs_iomap_eof_align_last_fsb(
         * (when file on a real-time subvolume or has di_extsize hint).
         */
        if (extsize) {
-               if (new_last_fsb)
-                       align = roundup_64(new_last_fsb, extsize);
+               if (align)
+                       align = roundup_64(align, extsize);
                else
                        align = extsize;
-               new_last_fsb = roundup_64(*last_fsb, align);
        }
 
-       if (new_last_fsb) {
+       if (align) {
+               xfs_fileoff_t   new_last_fsb = roundup_64(*last_fsb, align);
                error = xfs_bmap_eof(ip, new_last_fsb, XFS_DATA_FORK, &eof);
                if (error)
                        return error;
@@ -261,7 +260,6 @@ xfs_iomap_eof_want_preallocate(
 {
        xfs_fileoff_t   start_fsb;
        xfs_filblks_t   count_fsb;
-       xfs_fsblock_t   firstblock;
        int             n, error, imaps;
        int             found_delalloc = 0;
 
@@ -286,7 +284,6 @@ xfs_iomap_eof_want_preallocate(
        count_fsb = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes);
        while (count_fsb > 0) {
                imaps = nimaps;
-               firstblock = NULLFSBLOCK;
                error = xfs_bmapi_read(ip, start_fsb, count_fsb, imap, &imaps,
                                       0);
                if (error)