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| author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-06-08 01:39:30 +0900 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-06-11 21:36:17 -0400 |
| commit | 3f82ff55168e92859119bf348e9e0bd6714d2fea (patch) | |
| tree | f35bf723b02d6fe8c101252aa4a2c0e0172fd4aa /fs/nilfs2/the_nilfs.h | |
| parent | 33c8e57c86d1bd1548c12a4f7c4bceb94b862cca (diff) | |
| download | linux-3f82ff55168e92859119bf348e9e0bd6714d2fea.tar.gz linux-3f82ff55168e92859119bf348e9e0bd6714d2fea.tar.bz2 linux-3f82ff55168e92859119bf348e9e0bd6714d2fea.zip | |
nilfs2: get rid of sget use for checking if current mount is present
This stops using sget() for checking if an r/w-mount or an r/o-mount
exists on the device. This elimination uses a back pointer to the
current mount added to nilfs object.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/nilfs2/the_nilfs.h')
| -rw-r--r-- | fs/nilfs2/the_nilfs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h index 116caf96e7f3..99f7e29a5335 100644 --- a/fs/nilfs2/the_nilfs.h +++ b/fs/nilfs2/the_nilfs.h @@ -50,6 +50,7 @@ enum { * @ns_sem: semaphore for shared states * @ns_writer_mutex: mutex protecting ns_writer attach/detach * @ns_writer_refcount: number of referrers on ns_writer + * @ns_current: back pointer to current mount * @ns_sbh: buffer heads of on-disk super blocks * @ns_sbp: pointers to super block data * @ns_sbwtime: previous write time of super blocks @@ -98,6 +99,8 @@ struct the_nilfs { struct mutex ns_writer_mutex; atomic_t ns_writer_refcount; + struct nilfs_sb_info *ns_current; + /* * used for * - loading the latest checkpoint exclusively. |