diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 13:40:20 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 13:40:20 -0700 |
commit | dc690d8ef842b464f1c429a376ca16cb8dbee6ae (patch) | |
tree | 77955849af5a15755f5e55e24ae4b9c520583a72 /fs/sysfs/group.c | |
parent | 57399ec9077a4b962b81037aaa279fab52f5e989 (diff) | |
parent | 91a6902958f052358899f58683d44e36228d85c2 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (61 commits)
sysfs: add parameter "struct bin_attribute *" in .read/.write methods for sysfs binary attributes
sysfs: make directory dentries and inodes reclaimable
sysfs: implement sysfs_get_dentry()
sysfs: move sysfs_drop_dentry() to dir.c and make it static
sysfs: restructure add/remove paths and fix inode update
sysfs: use sysfs_mutex to protect the sysfs_dirent tree
sysfs: consolidate sysfs spinlocks
sysfs: make kobj point to sysfs_dirent instead of dentry
sysfs: implement sysfs_find_dirent() and sysfs_get_dirent()
sysfs: implement SYSFS_FLAG_REMOVED flag
sysfs: rename sysfs_dirent->s_type to s_flags and make room for flags
sysfs: make sysfs_drop_dentry() access inodes using ilookup()
sysfs: Fix oops in sysfs_drop_dentry on x86_64
sysfs: use singly-linked list for sysfs_dirent tree
sysfs: slim down sysfs_dirent->s_active
sysfs: move s_active functions to fs/sysfs/dir.c
sysfs: fix root sysfs_dirent -> root dentry association
sysfs: use iget_locked() instead of new_inode()
sysfs: reorganize sysfs_new_indoe() and sysfs_create()
sysfs: fix parent refcounting during rename and move
...
Diffstat (limited to 'fs/sysfs/group.c')
-rw-r--r-- | fs/sysfs/group.c | 55 |
1 files changed, 27 insertions, 28 deletions
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c index 52eed2a7a5e..f318b73c790 100644 --- a/fs/sysfs/group.c +++ b/fs/sysfs/group.c @@ -18,26 +18,25 @@ #include "sysfs.h" -static void remove_files(struct dentry * dir, - const struct attribute_group * grp) +static void remove_files(struct sysfs_dirent *dir_sd, + const struct attribute_group *grp) { struct attribute *const* attr; for (attr = grp->attrs; *attr; attr++) - sysfs_hash_and_remove(dir,(*attr)->name); + sysfs_hash_and_remove(dir_sd, (*attr)->name); } -static int create_files(struct dentry * dir, - const struct attribute_group * grp) +static int create_files(struct sysfs_dirent *dir_sd, + const struct attribute_group *grp) { struct attribute *const* attr; int error = 0; - for (attr = grp->attrs; *attr && !error; attr++) { - error = sysfs_add_file(dir, *attr, SYSFS_KOBJ_ATTR); - } + for (attr = grp->attrs; *attr && !error; attr++) + error = sysfs_add_file(dir_sd, *attr, SYSFS_KOBJ_ATTR); if (error) - remove_files(dir,grp); + remove_files(dir_sd, grp); return error; } @@ -45,44 +44,44 @@ static int create_files(struct dentry * dir, int sysfs_create_group(struct kobject * kobj, const struct attribute_group * grp) { - struct dentry * dir; + struct sysfs_dirent *sd; int error; - BUG_ON(!kobj || !kobj->dentry); + BUG_ON(!kobj || !kobj->sd); if (grp->name) { - error = sysfs_create_subdir(kobj,grp->name,&dir); + error = sysfs_create_subdir(kobj, grp->name, &sd); if (error) return error; } else - dir = kobj->dentry; - dir = dget(dir); - if ((error = create_files(dir,grp))) { + sd = kobj->sd; + sysfs_get(sd); + error = create_files(sd, grp); + if (error) { if (grp->name) - sysfs_remove_subdir(dir); + sysfs_remove_subdir(sd); } - dput(dir); + sysfs_put(sd); return error; } void sysfs_remove_group(struct kobject * kobj, const struct attribute_group * grp) { - struct dentry * dir; + struct sysfs_dirent *dir_sd = kobj->sd; + struct sysfs_dirent *sd; if (grp->name) { - dir = lookup_one_len_kern(grp->name, kobj->dentry, - strlen(grp->name)); - BUG_ON(IS_ERR(dir)); - } - else - dir = dget(kobj->dentry); + sd = sysfs_get_dirent(dir_sd, grp->name); + BUG_ON(!sd); + } else + sd = sysfs_get(dir_sd); - remove_files(dir,grp); + remove_files(sd, grp); if (grp->name) - sysfs_remove_subdir(dir); - /* release the ref. taken in this routine */ - dput(dir); + sysfs_remove_subdir(sd); + + sysfs_put(sd); } |