ext4: Drop EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE flag
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Fri, 15 Jan 2010 06:27:59 +0000 (01:27 -0500)
committerTheodore Ts'o <tytso@mit.edu>
Fri, 15 Jan 2010 06:27:59 +0000 (01:27 -0500)
We should update reserve space if it is delalloc buffer
and that is indicated by EXT4_GET_BLOCKS_DELALLOC_RESERVE flag.
So use EXT4_GET_BLOCKS_DELALLOC_RESERVE in place of
EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
fs/ext4/ext4.h
fs/ext4/extents.c
fs/ext4/inode.c

index b98de17..874d169 100644 (file)
@@ -361,14 +361,11 @@ struct ext4_new_group_data {
           so set the magic i_delalloc_reserve_flag after taking the 
           inode allocation semaphore for */
 #define EXT4_GET_BLOCKS_DELALLOC_RESERVE       0x0004
-       /* Call ext4_da_update_reserve_space() after successfully 
-          allocating the blocks */
-#define EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE   0x0008
        /* caller is from the direct IO path, request to creation of an
        unitialized extents if not allocated, split the uninitialized
        extent if blocks has been preallocated already*/
-#define EXT4_GET_BLOCKS_DIO                    0x0010
-#define EXT4_GET_BLOCKS_CONVERT                        0x0020
+#define EXT4_GET_BLOCKS_DIO                    0x0008
+#define EXT4_GET_BLOCKS_CONVERT                        0x0010
 #define EXT4_GET_BLOCKS_DIO_CREATE_EXT         (EXT4_GET_BLOCKS_DIO|\
                                         EXT4_GET_BLOCKS_CREATE_UNINIT_EXT)
        /* Convert extent to initialized after direct IO complete */
index 3b6ff72..765a482 100644 (file)
@@ -3142,7 +3142,7 @@ out:
         * But fallocate would have already updated quota and block
         * count for this offset. So cancel these reservation
         */
-       if (flags & EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE)
+       if (flags & EXT4_GET_BLOCKS_DELALLOC_RESERVE)
                ext4_da_update_reserve_space(inode, allocated, 0);
 
 map_out:
@@ -3388,7 +3388,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
         * Update reserved blocks/metadata blocks after successful
         * block allocation which had been deferred till now.
         */
-       if (flags & EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE)
+       if (flags & EXT4_GET_BLOCKS_DELALLOC_RESERVE)
                ext4_da_update_reserve_space(inode, allocated, 1);
 
        /*
index c955f64..e119524 100644 (file)
@@ -1316,7 +1316,7 @@ int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
                 * reserve space here.
                 */
                if ((retval > 0) &&
-                       (flags & EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE))
+                       (flags & EXT4_GET_BLOCKS_DELALLOC_RESERVE))
                        ext4_da_update_reserve_space(inode, retval, 1);
        }
        if (flags & EXT4_GET_BLOCKS_DELALLOC_RESERVE)
@@ -2219,10 +2219,10 @@ static int mpage_da_map_blocks(struct mpage_da_data *mpd)
         * variables are updated after the blocks have been allocated.
         */
        new.b_state = 0;
-       get_blocks_flags = (EXT4_GET_BLOCKS_CREATE |
-                           EXT4_GET_BLOCKS_DELALLOC_RESERVE);
+       get_blocks_flags = EXT4_GET_BLOCKS_CREATE;
        if (mpd->b_state & (1 << BH_Delay))
-               get_blocks_flags |= EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE;
+               get_blocks_flags |= EXT4_GET_BLOCKS_DELALLOC_RESERVE;
+
        blks = ext4_get_blocks(handle, mpd->inode, next, max_blocks,
                               &new, get_blocks_flags);
        if (blks < 0) {