Re: [PATCH -V3 07/11] ext4: request for blocks with ar.excepted_group = -1

[Mingming Cao <cmm@us.ibm.com>]

在 2008-08-27三的 20:58 +0530，Aneesh Kumar K.V写道：
> Otherwise we skip group 0 during block allocation.
> This cause ENOSPC even if we have free blocks in
> group 0. This should be merged with defrag. The
> expected_group changes are introduced by defrag patches.
> 
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> ---

Added to patch queue.

Mingming
>  fs/ext4/balloc.c  |    1 +
>  fs/ext4/extents.c |    1 +
>  2 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
> index b19346a..53fdb05 100644
> --- a/fs/ext4/balloc.c
> +++ b/fs/ext4/balloc.c
> @@ -2023,6 +2023,7 @@ static ext4_fsblk_t do_blk_alloc(handle_t *handle, struct inode *inode,
>  	ar.goal = goal;
>  	ar.len = *count;
>  	ar.logical = iblock;
> +	ar.excepted_group = -1;
> 
>  	if (S_ISREG(inode->i_mode) && !(flags & EXT4_META_BLOCK))
>  		/* enable in-core preallocation for data block allocation */
> diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
> index bf612a7..268e96d 100644
> --- a/fs/ext4/extents.c
> +++ b/fs/ext4/extents.c
> @@ -2879,6 +2879,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
>  	ar.goal = ext4_ext_find_goal(inode, path, iblock);
>  	ar.logical = iblock;
>  	ar.len = allocated;
> +	ar.excepted_group = -1;
>  	if (S_ISREG(inode->i_mode))
>  		ar.flags = EXT4_MB_HINT_DATA;
>  	else

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