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SubjectRe: [V9fs-developer] [PATCH 2/5] fs/9p: Use write_inode for data sync on server
On 03/25/2011 04:30 AM, Aneesh Kumar K.V wrote:
> Signed-off-by: Aneesh Kumar K.V<aneesh.kumar@linux.vnet.ibm.com>

Reviewed-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
> ---
> fs/9p/vfs_super.c | 43 +++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 43 insertions(+), 0 deletions(-)
>
> diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
> index f3eed33..d94adcb 100644
> --- a/fs/9p/vfs_super.c
> +++ b/fs/9p/vfs_super.c
> @@ -307,6 +307,47 @@ static int v9fs_drop_inode(struct inode *inode)
> return 1;
> }
>
> +static int v9fs_write_inode(struct inode *inode,
> + struct writeback_control *wbc)
> +{
> + int ret;
> + struct p9_wstat wstat;
> + struct v9fs_inode *v9inode;
> + /*
> + * send an fsync request to server irrespective of
> + * wbc->sync_mode.
> + */
> + P9_DPRINTK(P9_DEBUG_VFS, "%s: inode %p\n", __func__, inode);
> + v9inode = V9FS_I(inode);
> + v9fs_blank_wstat(&wstat);
> +
> + ret = p9_client_wstat(v9inode->writeback_fid,&wstat);
> + if (ret< 0) {
> + __mark_inode_dirty(inode, I_DIRTY_DATASYNC);
> + return ret;
> + }
> + return 0;
> +}
> +
> +static int v9fs_write_inode_dotl(struct inode *inode,
> + struct writeback_control *wbc)
> +{
> + int ret;
> + struct v9fs_inode *v9inode;
> + /*
> + * send an fsync request to server irrespective of
> + * wbc->sync_mode.
> + */
> + P9_DPRINTK(P9_DEBUG_VFS, "%s: inode %p\n", __func__, inode);
> + v9inode = V9FS_I(inode);
> + ret = p9_client_fsync(v9inode->writeback_fid, 0);
> + if (ret< 0) {
> + __mark_inode_dirty(inode, I_DIRTY_DATASYNC);
> + return ret;
> + }
> + return 0;
> +}
> +
> static const struct super_operations v9fs_super_ops = {
> .alloc_inode = v9fs_alloc_inode,
> .destroy_inode = v9fs_destroy_inode,
> @@ -314,6 +355,7 @@ static const struct super_operations v9fs_super_ops = {
> .evict_inode = v9fs_evict_inode,
> .show_options = generic_show_options,
> .umount_begin = v9fs_umount_begin,
> + .write_inode = v9fs_write_inode,
> };
>
> static const struct super_operations v9fs_super_ops_dotl = {
> @@ -325,6 +367,7 @@ static const struct super_operations v9fs_super_ops_dotl = {
> .evict_inode = v9fs_evict_inode,
> .show_options = generic_show_options,
> .umount_begin = v9fs_umount_begin,
> + .write_inode = v9fs_write_inode_dotl,
> };
>
> struct file_system_type v9fs_fs_type = {



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