On Mon, Jun 09, 2008 at 01:39:30PM +0530, Aneesh Kumar K.V wrote:
> With delayed allocation we delay the allocation of blocks
> and request for blocks in multiple chunks. We should not
> update i_disksize to inode.i_size unless we are allocating
> blocks corresponding to the end of file.
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
> ---
> fs/ext4/extents.c | 10 ++++++++--
> fs/ext4/inode.c | 10 ++++++++--
> 2 files changed, 16 insertions(+), 4 deletions(-)
>
> diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
> index dae3b60..a6d7165 100644
> --- a/fs/ext4/extents.c
> +++ b/fs/ext4/extents.c
> @@ -2698,6 +2698,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
> int err = 0, depth, ret;
> unsigned long allocated = 0;
> struct ext4_allocation_request ar;
> + loff_t disksize;
>
> __clear_bit(BH_New, &bh_result->b_state);
> ext_debug("blocks %u/%lu requested for inode %u\n",
> @@ -2885,8 +2886,13 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
> goto out2;
> }
>
> - if (extend_disksize && inode->i_size > EXT4_I(inode)->i_disksize)
> - EXT4_I(inode)->i_disksize = inode->i_size;
> + if (extend_disksize) {
> + disksize = ((loff_t) newblock + ar.len) << inode->i_blkbits;
s/newblock/iblock
I will send a new patch.
-aneesh
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