[XFS] Account for allocated blocks when expanding directories

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / xfs / xfs_dir2.c

diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c
index 80e0dc51361c07e541726ff75871f399fd58d181..1afb12278b8d04b85eb42d0f67d0bd21936885be 100644 (file)
--- a/fs/xfs/xfs_dir2.c
+++ b/fs/xfs/xfs_dir2.c
@@ -525,11 +525,13 @@ xfs_dir2_grow_inode(
        xfs_mount_t     *mp;
        int             nmap;           /* number of bmap entries */
        xfs_trans_t     *tp;
+       xfs_drfsbno_t   nblks;
 
        xfs_dir2_trace_args_s("grow_inode", args, space);
        dp = args->dp;
        tp = args->trans;
        mp = dp->i_mount;
+       nblks = dp->i_d.di_nblocks;
        /*
         * Set lowest possible block in the space requested.
         */
@@ -622,7 +624,11 @@ xfs_dir2_grow_inode(
         */
        if (mapp != &map)
                kmem_free(mapp);
+
+       /* account for newly allocated blocks in reserved blocks total */
+       args->total -= dp->i_d.di_nblocks - nblks;
        *dbp = xfs_dir2_da_to_db(mp, (xfs_dablk_t)bno);
+
        /*
         * Update file's size if this is the data space and it grew.
         */