diff options
| author |   Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-02-28 17:03:57 +0530 |
|---|---|---|
| committer |   Eric Van Hensbergen <ericvh@gmail.com> | 2011-03-15 09:57:37 -0500 |
| commit | 3cf387d780944305839f5b27c51f225444ba4d27 (patch) | |
| tree | ed4ef1d723ed3c7c280aadfcf397218004e49252 /fs/9p/vfs_inode_dotl.c | |
| parent | fs/9p: Add read write helper function (diff) | |
| download | linux-dev-3cf387d780944305839f5b27c51f225444ba4d27.tar.xz linux-dev-3cf387d780944305839f5b27c51f225444ba4d27.zip | |
fs/9p: Add fid to inode in cached mode
The fid attached to inode will be opened O_RDWR mode and is used
for dirty page writeback only.
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>
Diffstat (limited to 'fs/9p/vfs_inode_dotl.c')
| -rw-r--r-- | fs/9p/vfs_inode_dotl.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index 265f5834498a..1327464bb2bb 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -142,7 +142,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode, mode_t mode; struct v9fs_session_info *v9ses; struct p9_fid *fid = NULL; - struct p9_fid *dfid, *ofid; + struct p9_fid *dfid, *ofid, *inode_fid; struct file *filp; struct p9_qid qid; struct inode *inode; @@ -218,7 +218,21 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode, /* Now set the ACL based on the default value */ v9fs_set_create_acl(dentry, dacl, pacl); - + if (v9ses->cache && !inode->i_private) { + /* + * clone a fid and add it to inode->i_private + * we do it during open time instead of + * page dirty time via write_begin/page_mkwrite + * because we want write after unlink usecase + * to work. + */ + inode_fid = v9fs_writeback_fid(dentry); + if (IS_ERR(inode_fid)) { + err = PTR_ERR(inode_fid); + goto error; + } + inode->i_private = (void *) inode_fid; + } /* Since we are opening a file, assign the open fid to the file */ filp = lookup_instantiate_filp(nd, dentry, generic_file_open); if (IS_ERR(filp)) { |