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ext4: Drop EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE flag 

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>
This commit is contained in:
Aneesh Kumar K.V 2010-01-15 01:27:59 -05:00 committed by Theodore Ts'o
parent 5f634d064c
commit 1296cc85c2
3 changed files with 8 additions and 11 deletions
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7
fs/ext4/ext4.h
View 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 */

4
fs/ext4/extents.c
View 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);
/*

8
fs/ext4/inode.c
View 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) {