diff options
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/ext4.h | 6 | ||||
| -rw-r--r-- | fs/ext4/extents.c | 9 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 23 |
3 files changed, 5 insertions, 33 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 4311cc8..59657ff 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -323,15 +323,13 @@ struct ext4_new_group_data { #define EXT4_GET_BLOCKS_UNINIT_EXT 0x0002 #define EXT4_GET_BLOCKS_CREATE_UNINIT_EXT (EXT4_GET_BLOCKS_UNINIT_EXT|\ EXT4_GET_BLOCKS_CREATE) - /* Update the ext4_inode_info i_disksize field */ -#define EXT4_GET_BLOCKS_EXTEND_DISKSIZE 0x0004 /* Caller is from the delayed allocation writeout path, so set the magic i_delalloc_reserve_flag after taking the inode allocation semaphore for */ -#define EXT4_GET_BLOCKS_DELALLOC_RESERVE 0x0008 +#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 0x0010 +#define EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE 0x0008 /* diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index d4e99e9..9c35a7b 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -2779,7 +2779,6 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode, int err = 0, depth, ret, cache_type; unsigned int allocated = 0; struct ext4_allocation_request ar; - loff_t disksize; __clear_bit(BH_New, &bh_result->b_state); ext_debug("blocks %u/%u requested for inode %u\n", @@ -2969,14 +2968,6 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode, newblock = ext_pblock(&newex); allocated = ext4_ext_get_actual_len(&newex); outnew: - if (flags & EXT4_GET_BLOCKS_EXTEND_DISKSIZE) { - disksize = ((loff_t) iblock + ar.len) << inode->i_blkbits; - if (disksize > i_size_read(inode)) - disksize = i_size_read(inode); - if (disksize > EXT4_I(inode)->i_disksize) - EXT4_I(inode)->i_disksize = disksize; - } - set_buffer_new(bh_result); /* Cache only when it is _not_ an uninitialized extent */ diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 14c00ff..17ed0d2 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -933,11 +933,8 @@ static int ext4_ind_get_blocks(handle_t *handle, struct inode *inode, int indirect_blks; int blocks_to_boundary = 0; int depth; - struct ext4_inode_info *ei = EXT4_I(inode); int count = 0; ext4_fsblk_t first_block = 0; - loff_t disksize; - J_ASSERT(!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL)); J_ASSERT(handle != NULL || (flags & EXT4_GET_BLOCKS_CREATE) == 0); @@ -1003,19 +1000,7 @@ static int ext4_ind_get_blocks(handle_t *handle, struct inode *inode, if (!err) err = ext4_splice_branch(handle, inode, iblock, partial, indirect_blks, count); - /* - * i_disksize growing is protected by i_data_sem. Don't forget to - * protect it if you're about to implement concurrent - * ext4_get_block() -bzzz - */ - if (!err && (flags & EXT4_GET_BLOCKS_EXTEND_DISKSIZE)) { - disksize = ((loff_t) iblock + count) << inode->i_blkbits; - if (disksize > i_size_read(inode)) - disksize = i_size_read(inode); - if (disksize > ei->i_disksize) - ei->i_disksize = disksize; - } - if (err) + else goto cleanup; set_buffer_new(bh_result); @@ -1321,7 +1306,7 @@ struct buffer_head *ext4_getblk(handle_t *handle, struct inode *inode, { struct buffer_head dummy; int fatal = 0, err; - int flags = EXT4_GET_BLOCKS_EXTEND_DISKSIZE; + int flags = 0; J_ASSERT(handle != NULL || create == 0); @@ -2153,9 +2138,7 @@ static int mpage_da_map_blocks(struct mpage_da_data *mpd) } /* - * Update on-disk size along with block allocation we don't - * use EXT4_GET_BLOCKS_EXTEND_DISKSIZE as size may change - * within already allocated block -bzzz + * Update on-disk size along with block allocation. */ disksize = ((loff_t) next + blks) << mpd->inode->i_blkbits; if (disksize > i_size_read(mpd->inode)) |
