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fs/9p: Use write_inode for data sync on server

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Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Aneesh Kumar K.V 2011-03-23 15:11:27 +05:30 • committed by Eric Van Hensbergen
parent f2eda2c6cc
commit c2ed388021
1 changed files with 47 additions and 0 deletions
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47
fs/9p/vfs_super.c
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@ -307,6 +307,51 @@ static int v9fs_drop_inode(struct inode *inode)
return 1; 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);
if (!v9inode->writeback_fid)
return 0;
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);
if (!v9inode->writeback_fid)
return 0;
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 = { static const struct super_operations v9fs_super_ops = {
.alloc_inode = v9fs_alloc_inode, .alloc_inode = v9fs_alloc_inode,
.destroy_inode = v9fs_destroy_inode, .destroy_inode = v9fs_destroy_inode,
@ -314,6 +359,7 @@ static const struct super_operations v9fs_super_ops = {
.evict_inode = v9fs_evict_inode, .evict_inode = v9fs_evict_inode,
.show_options = generic_show_options, .show_options = generic_show_options,
.umount_begin = v9fs_umount_begin, .umount_begin = v9fs_umount_begin,
.write_inode = v9fs_write_inode,
}; };
static const struct super_operations v9fs_super_ops_dotl = { static const struct super_operations v9fs_super_ops_dotl = {
@ -325,6 +371,7 @@ static const struct super_operations v9fs_super_ops_dotl = {
.evict_inode = v9fs_evict_inode, .evict_inode = v9fs_evict_inode,
.show_options = generic_show_options, .show_options = generic_show_options,
.umount_begin = v9fs_umount_begin, .umount_begin = v9fs_umount_begin,
.write_inode = v9fs_write_inode_dotl,
}; };
struct file_system_type v9fs_fs_type = { struct file_system_type v9fs_fs_type = {