diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-11-12 10:31:27 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2015-11-12 10:50:04 +0100 |
| commit | 50044efbd6e713e86f705a60eddab0c034dffeba (patch) | |
| tree | ab36a5fda13e1bae857a7b1f6b2ab37127a4cdf8 /ubifs-utils/mkfs.ubifs/key.h | |
| parent | 978494f76e110154a3035cb1cdbe92965c5552ce (diff) | |
mkfs.ubifs: Add extended attribute support
This adds extended attribute support to mkfs.ubifs. When creating
an image from a directory tree the existing extended attributes are
added to the UBIFS image.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'ubifs-utils/mkfs.ubifs/key.h')
| -rw-r--r-- | ubifs-utils/mkfs.ubifs/key.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/ubifs-utils/mkfs.ubifs/key.h b/ubifs-utils/mkfs.ubifs/key.h index d3a02d4..39379fd 100644 --- a/ubifs-utils/mkfs.ubifs/key.h +++ b/ubifs-utils/mkfs.ubifs/key.h @@ -119,6 +119,24 @@ static inline void dent_key_init(const struct ubifs_info *c, } /** + * xent_key_init - initialize extended attribute entry key. + * @c: UBIFS file-system description object + * @key: key to initialize + * @inum: host inode number + * @nm: extended attribute entry name and length + */ +static inline void xent_key_init(const struct ubifs_info *c, + union ubifs_key *key, ino_t inum, + const struct qstr *nm) +{ + uint32_t hash = c->key_hash(nm->name, nm->len); + + ubifs_assert(!(hash & ~UBIFS_S_KEY_HASH_MASK)); + key->u32[0] = inum; + key->u32[1] = hash | (UBIFS_XENT_KEY << UBIFS_S_KEY_HASH_BITS); +} + +/** * data_key_init - initialize data key. * @c: UBIFS file-system description object * @key: key to initialize |