2010/6/20 JieJing.Zhang <kzjeef@xxxxxxxxx>
>
> set errno to -ENOMEM and goto out
>
> Signed-off-by: JieJing.Zhang <kzjeef@xxxxxxxxx>
> ---
> fs/btrfs/file.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
> index e354c33..e0fcb6c 100644
> --- a/fs/btrfs/file.c
> +++ b/fs/btrfs/file.c
> @@ -926,6 +926,10 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
> PAGE_CACHE_SIZE, PAGE_CACHE_SIZE /
> (sizeof(struct page *)));
> pages = kmalloc(nrptrs * sizeof(struct page *), GFP_KERNEL);
I think this gfp should changed to GFP_NOFS to avoid deadlock, right ?
like this commit: 33818bbb84cd371b63ed8849cc5264d24c8b3aa2
> + if (!pages) {
> + ret = -ENOMEM;
> + goto out;
> + }
>
> /* generic_write_checks can change our pos */
> start_pos = pos;
> --
> 1.7.0.4
>
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