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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-12-18 21:33:13 +0400 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2012-01-06 20:26:07 +0400 |
| commit | f766619db2be059cd0dbba8a36176fe01a29d588 (patch) | |
| tree | 5c2f824bec85ef3515c801c4e68b94155d6b22b2 /fs | |
| parent | b6054793069bf08fcf220fff5fb33735d5493594 (diff) | |
| download | linux-f766619db2be059cd0dbba8a36176fe01a29d588.tar.xz | |
fs/9p: iattr_valid flags are kernel internal flags map them to 9p values.
Kernel internal values can change, add protocol values for these constant
and use them.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/9p/vfs_inode_dotl.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index 73488fb69d38..7ca7171273d1 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -522,6 +522,46 @@ v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry, return 0; } +/* + * Attribute flags. + */ +#define P9_ATTR_MODE (1 << 0) +#define P9_ATTR_UID (1 << 1) +#define P9_ATTR_GID (1 << 2) +#define P9_ATTR_SIZE (1 << 3) +#define P9_ATTR_ATIME (1 << 4) +#define P9_ATTR_MTIME (1 << 5) +#define P9_ATTR_CTIME (1 << 6) +#define P9_ATTR_ATIME_SET (1 << 7) +#define P9_ATTR_MTIME_SET (1 << 8) + +struct dotl_iattr_map { + int iattr_valid; + int p9_iattr_valid; +}; + +static int v9fs_mapped_iattr_valid(int iattr_valid) +{ + int i; + int p9_iattr_valid = 0; + struct dotl_iattr_map dotl_iattr_map[] = { + { ATTR_MODE, P9_ATTR_MODE }, + { ATTR_UID, P9_ATTR_UID }, + { ATTR_GID, P9_ATTR_GID }, + { ATTR_SIZE, P9_ATTR_SIZE }, + { ATTR_ATIME, P9_ATTR_ATIME }, + { ATTR_MTIME, P9_ATTR_MTIME }, + { ATTR_CTIME, P9_ATTR_CTIME }, + { ATTR_ATIME_SET, P9_ATTR_ATIME_SET }, + { ATTR_MTIME_SET, P9_ATTR_MTIME_SET }, + }; + for (i = 0; i < ARRAY_SIZE(dotl_iattr_map); i++) { + if (iattr_valid & dotl_iattr_map[i].iattr_valid) + p9_iattr_valid |= dotl_iattr_map[i].p9_iattr_valid; + } + return p9_iattr_valid; +} + /** * v9fs_vfs_setattr_dotl - set file metadata * @dentry: file whose metadata to set @@ -542,7 +582,7 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) if (retval) return retval; - p9attr.valid = iattr->ia_valid; + p9attr.valid = v9fs_mapped_iattr_valid(iattr->ia_valid); p9attr.mode = iattr->ia_mode; p9attr.uid = iattr->ia_uid; p9attr.gid = iattr->ia_gid; |