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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 14:17:04 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 14:17:04 -0400
commit0c93ea4064a209cdc36de8a9a3003d43d08f46f7 (patch)
treeff19952407c523a1349ef56c05993416dd28437e /fs/sysfs/inode.c
parentbc2fd381d8f9dbeb181f82286cdca1567e3d0def (diff)
parente6e66b02e11563abdb7f69dcb7a2efbd8d577e77 (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.c17
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 */
225void 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
217int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name) 234int 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;