diff options
| author | Maneesh Soni <maneesh@in.ibm.com> | 2005-05-31 07:08:12 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-06-21 00:15:36 +0200 |
| commit | 6fa5c828c7fb6beef7035864bd2b18e7386fbdd5 (patch) | |
| tree | 88c7c0a03fe13ad802721dcd54b9b93733e964fe /fs/sysfs | |
| parent | [PATCH] I2C: drivers/i2c/chips/adm1026.c: use dynamic sysfs callbacks (diff) | |
| download | linux-6fa5c828c7fb6beef7035864bd2b18e7386fbdd5.tar.xz linux-6fa5c828c7fb6beef7035864bd2b18e7386fbdd5.zip | |
[PATCH] sysfs-iattr: attach sysfs_dirent before new inode
o The following patch makes sure to attach sysfs_dirent to the dentry before
allocation a new inode through sysfs_create(). This change is done as
preparatory work for implementing ->i_op->setattr() functionality for
sysfs objects.
Signed-off-by: Maneesh Soni <maneesh@in.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/sysfs')
| -rw-r--r-- | fs/sysfs/dir.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index fe198210bc2d..5cf3270014c0 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -101,18 +101,19 @@ static int create_dir(struct kobject * k, struct dentry * p, down(&p->d_inode->i_sem); *d = sysfs_get_dentry(p,n); if (!IS_ERR(*d)) { - error = sysfs_create(*d, mode, init_dir); + error = sysfs_make_dirent(p->d_fsdata, *d, k, mode, SYSFS_DIR); if (!error) { - error = sysfs_make_dirent(p->d_fsdata, *d, k, mode, - SYSFS_DIR); + error = sysfs_create(*d, mode, init_dir); if (!error) { p->d_inode->i_nlink++; (*d)->d_op = &sysfs_dentry_ops; d_rehash(*d); } } - if (error && (error != -EEXIST)) + if (error && (error != -EEXIST)) { + sysfs_put((*d)->d_fsdata); d_drop(*d); + } dput(*d); } else error = PTR_ERR(*d); @@ -171,17 +172,19 @@ static int sysfs_attach_attr(struct sysfs_dirent * sd, struct dentry * dentry) init = init_file; } + dentry->d_fsdata = sysfs_get(sd); + sd->s_dentry = dentry; error = sysfs_create(dentry, (attr->mode & S_IALLUGO) | S_IFREG, init); - if (error) + if (error) { + sysfs_put(sd); return error; + } if (bin_attr) { dentry->d_inode->i_size = bin_attr->size; dentry->d_inode->i_fop = &bin_fops; } dentry->d_op = &sysfs_dentry_ops; - dentry->d_fsdata = sysfs_get(sd); - sd->s_dentry = dentry; d_rehash(dentry); return 0; @@ -191,13 +194,15 @@ static int sysfs_attach_link(struct sysfs_dirent * sd, struct dentry * dentry) { int err = 0; + dentry->d_fsdata = sysfs_get(sd); + sd->s_dentry = dentry; err = sysfs_create(dentry, S_IFLNK|S_IRWXUGO, init_symlink); if (!err) { dentry->d_op = &sysfs_dentry_ops; - dentry->d_fsdata = sysfs_get(sd); - sd->s_dentry = dentry; d_rehash(dentry); - } + } else + sysfs_put(sd); + return err; } |