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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-26 14:17:04 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-26 14:17:04 -0400 |
commit | 0c93ea4064a209cdc36de8a9a3003d43d08f46f7 (patch) | |
tree | ff19952407c523a1349ef56c05993416dd28437e /fs/sysfs/inode.c | |
parent | bc2fd381d8f9dbeb181f82286cdca1567e3d0def (diff) | |
parent | e6e66b02e11563abdb7f69dcb7a2efbd8d577e77 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (61 commits)
Dynamic debug: fix pr_fmt() build error
Dynamic debug: allow simple quoting of words
dynamic debug: update docs
dynamic debug: combine dprintk and dynamic printk
sysfs: fix some bin_vm_ops errors
kobject: don't block for each kobject_uevent
sysfs: only allow one scheduled removal callback per kobj
Driver core: Fix device_move() vs. dpm list ordering, v2
Driver core: some cleanup on drivers/base/sys.c
Driver core: implement uevent suppress in kobject
vcs: hook sysfs devices into object lifetime instead of "binding"
driver core: fix passing platform_data
driver core: move platform_data into platform_device
sysfs: don't block indefinitely for unmapped files.
driver core: move knode_bus into private structure
driver core: move knode_driver into private structure
driver core: move klist_children into private structure
driver core: create a private portion of struct device
driver core: remove polling for driver_probe_done(v5)
sysfs: reference sysfs_dirent from sysfs inodes
...
Fixed conflicts in drivers/sh/maple/maple.c manually
Diffstat (limited to 'fs/sysfs/inode.c')
-rw-r--r-- | fs/sysfs/inode.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index dfa3d94cfc74..555f0ff988df 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c | |||
@@ -147,6 +147,7 @@ static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode) | |||
147 | { | 147 | { |
148 | struct bin_attribute *bin_attr; | 148 | struct bin_attribute *bin_attr; |
149 | 149 | ||
150 | inode->i_private = sysfs_get(sd); | ||
150 | inode->i_mapping->a_ops = &sysfs_aops; | 151 | inode->i_mapping->a_ops = &sysfs_aops; |
151 | inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info; | 152 | inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info; |
152 | inode->i_op = &sysfs_inode_operations; | 153 | inode->i_op = &sysfs_inode_operations; |
@@ -214,6 +215,22 @@ struct inode * sysfs_get_inode(struct sysfs_dirent *sd) | |||
214 | return inode; | 215 | return inode; |
215 | } | 216 | } |
216 | 217 | ||
218 | /* | ||
219 | * The sysfs_dirent serves as both an inode and a directory entry for sysfs. | ||
220 | * To prevent the sysfs inode numbers from being freed prematurely we take a | ||
221 | * reference to sysfs_dirent from the sysfs inode. A | ||
222 | * super_operations.delete_inode() implementation is needed to drop that | ||
223 | * reference upon inode destruction. | ||
224 | */ | ||
225 | void sysfs_delete_inode(struct inode *inode) | ||
226 | { | ||
227 | struct sysfs_dirent *sd = inode->i_private; | ||
228 | |||
229 | truncate_inode_pages(&inode->i_data, 0); | ||
230 | clear_inode(inode); | ||
231 | sysfs_put(sd); | ||
232 | } | ||
233 | |||
217 | int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name) | 234 | int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name) |
218 | { | 235 | { |
219 | struct sysfs_addrm_cxt acxt; | 236 | struct sysfs_addrm_cxt acxt; |