Home » Mailing lists » Devel » [PATCH 0/25] Sysfs cleanups & tagged directory support
[PATCH 01/25] sysfs: Move all of inode initialization into sysfs_init_inode [message #19563 is a reply to message #19562] |
Tue, 07 August 2007 21:08 |
ebiederm
Messages: 1354 Registered: February 2006
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Senior Member |
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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
fs/sysfs/dir.c | 37 -------------------------------------
fs/sysfs/inode.c | 48 +++++++++++++++++++++++++++++++++++++++++++++---
fs/sysfs/mount.c | 5 -----
3 files changed, 45 insertions(+), 45 deletions(-)
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 3e5acc4..ae06f4a 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -746,24 +746,12 @@ int sysfs_create_dir(struct kobject * kobj)
return error;
}
-static int sysfs_count_nlink(struct sysfs_dirent *sd)
-{
- struct sysfs_dirent *child;
- int nr = 0;
-
- for (child = sd->s_children; child; child = child->s_sibling)
- if (sysfs_type(child) == SYSFS_DIR)
- nr++;
- return nr + 2;
-}
-
static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *nd)
{
struct dentry *ret = NULL;
struct sysfs_dirent *parent_sd = dentry->d_parent->d_fsdata;
struct sysfs_dirent *sd;
- struct bin_attribute *bin_attr;
struct inode *inode;
mutex_lock(&sysfs_mutex);
@@ -783,31 +771,6 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry,
goto out_unlock;
}
- if (inode->i_state & I_NEW) {
- /* initialize inode according to type */
- switch (sysfs_type(sd)) {
- case SYSFS_DIR:
- inode->i_op = &sysfs_dir_inode_operations;
- inode->i_fop = &sysfs_dir_operations;
- inode->i_nlink = sysfs_count_nlink(sd);
- break;
- case SYSFS_KOBJ_ATTR:
- inode->i_size = PAGE_SIZE;
- inode->i_fop = &sysfs_file_operations;
- break;
- case SYSFS_KOBJ_BIN_ATTR:
- bin_attr = sd->s_elem.bin_attr.bin_attr;
- inode->i_size = bin_attr->size;
- inode->i_fop = &bin_fops;
- break;
- case SYSFS_KOBJ_LINK:
- inode->i_op = &sysfs_symlink_inode_operations;
- break;
- default:
- BUG();
- }
- }
-
sysfs_instantiate(dentry, inode);
sysfs_attach_dentry(sd, dentry);
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index e74224e..aefc346 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -123,8 +123,22 @@ static inline void set_inode_attr(struct inode * inode, struct iattr * iattr)
*/
static struct lock_class_key sysfs_inode_imutex_key;
+static int sysfs_count_nlink(struct sysfs_dirent *sd)
+{
+ struct sysfs_dirent *child;
+ int nr = 0;
+
+ for (child = sd->s_children; child; child = child->s_sibling)
+ if (sysfs_type(child) == SYSFS_DIR)
+ nr++;
+
+ return nr + 2;
+}
+
static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode)
{
+ struct bin_attribute *bin_attr;
+
inode->i_blocks = 0;
inode->i_mapping->a_ops = &sysfs_aops;
inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info;
@@ -140,6 +154,37 @@ static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode)
set_inode_attr(inode, sd->s_iattr);
} else
set_default_inode_attr(inode, sd->s_mode);
+
+
+ /* initialize inode according to type */
+ switch (sysfs_type(sd)) {
+ case SYSFS_ROOT:
+ inode->i_op = &sysfs_dir_inode_operations;
+ inode->i_fop = &sysfs_dir_operations;
+ inc_nlink(inode); /* directory, account for "." */
+ break;
+ case SYSFS_DIR:
+ inode->i_op = &sysfs_dir_inode_operations;
+ inode->i_fop = &sysfs_dir_operations;
+ inode->i_nlink = sysfs_count_nlink(sd);
+ break;
+ case SYSFS_KOBJ_ATTR:
+ inode->i_size = PAGE_SIZE;
+ inode->i_fop = &sysfs_file_operations;
+ break;
+ case SYSFS_KOBJ_BIN_ATTR:
+ bin_attr = sd->s_elem.bin_attr.bin_attr;
+ inode->i_size = bin_attr->size;
+ inode->i_fop = &bin_fops;
+ break;
+ case SYSFS_KOBJ_LINK:
+ inode->i_op = &sysfs_symlink_inode_operations;
+ break;
+ default:
+ BUG();
+ }
+
+ unlock_new_inode(inode);
}
/**
@@ -181,9 +226,6 @@ void sysfs_instantiate(struct dentry *dentry, struct inode *inode)
{
BUG_ON(!dentry || dentry->d_inode);
- if (inode->i_state & I_NEW)
- unlock_new_inode(inode);
-
d_instantiate(dentry, inode);
}
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 0c016e1..919eaaf 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -50,11 +50,6 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
return -ENOMEM;
}
- inode->i_op = &sysfs_dir_inode_operations;
- inode->i_fop = &sysfs_dir_operations;
- inc_nlink(inode); /* directory, account for "." */
- unlock_new_inode(inode);
-
/* instantiate and link root dentry */
root = d_alloc_root(inode);
if (!root) {
--
1.5.1.1.181.g2de0
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[PATCH 0/25] Sysfs cleanups & tagged directory support
By: ebiederm on Tue, 07 August 2007 21:06
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[PATCH 01/25] sysfs: Move all of inode initialization into sysfs_init_inode
By: ebiederm on Tue, 07 August 2007 21:08
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[PATCH 02/25] sysfs: Remove sysfs_instantiate
By: ebiederm on Tue, 07 August 2007 21:08
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[PATCH 03/25] sysfs: Use kill_anon_super
By: ebiederm on Tue, 07 August 2007 21:10
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[PATCH 04/25] sysfs: Make sysfs_mount static
By: ebiederm on Tue, 07 August 2007 21:11
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[PATCH 05/25] sysfs: In sysfs_lookup don't open code sysfs_find_dirent
By: ebiederm on Tue, 07 August 2007 21:12
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[PATCH 06/25] sysfs: Simplify readdir.
By: ebiederm on Tue, 07 August 2007 21:13
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[PATCH 07/25] sysfs: Rewrite sysfs_drop_dentry.
By: ebiederm on Tue, 07 August 2007 21:14
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[PATCH 08/25] sysfs: Implement __sysfs_get_dentry
By: ebiederm on Tue, 07 August 2007 21:16
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[PATCH 09/25] sysfs: Move sysfs_get_dentry below __sysfs_get_dentry
By: ebiederm on Tue, 07 August 2007 21:17
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[PATCH 10/25] sysfs: Rewrite sysfs_get_dentry in terms of __sysfs_get_dentry
By: ebiederm on Tue, 07 August 2007 21:18
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[PATCH 11/25] sysfs: Remove s_dentry
By: ebiederm on Tue, 07 August 2007 21:19
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[PATCH 12/25] sysfs: Introduce sysfs_rename_mutex
By: ebiederm on Tue, 07 August 2007 21:21
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[PATCH 13/25] sysfs: Simply sysfs_get_dentry
By: ebiederm on Tue, 07 August 2007 21:22
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[PATCH 14/25] sysfs: Don't use lookup_one_len_kern
By: ebiederm on Tue, 07 August 2007 21:23
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[PATCH 15/25] vfs: Remove lookup_one_len_kern
By: ebiederm on Tue, 07 August 2007 21:25
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[PATCH 16/25] sysfs: Support for preventing unmounts.
By: ebiederm on Tue, 07 August 2007 21:26
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[PATCH 17/25] sysfs: Rewrite rename in terms of sysfs dirents
By: ebiederm on Tue, 07 August 2007 21:27
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[PATCH 18/25] sysfs: Rewrite sysfs_move_dir in terms of sysfs dirents
By: ebiederm on Tue, 07 August 2007 21:28
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[PATCH 19/25] sysfs: sysfs_get_dentry add a sb parameter
By: ebiederm on Tue, 07 August 2007 21:29
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[PATCH 20/25] sysfs: Rename Support multiple superblocks
By: ebiederm on Tue, 07 August 2007 21:31
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[PATCH 21/25] sysfs: sysfs_chmod_file handle multiple superblocks
By: ebiederm on Tue, 07 August 2007 21:32
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[PATCH 22/25] sysfs: sysfs_uptdate_file handle multiple superblocks
By: ebiederm on Tue, 07 August 2007 21:34
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[PATCH 23/25] sysfs: Implement sysfs tagged directory support.
By: ebiederm on Tue, 07 August 2007 21:35
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[PATCH 24/25] sysfs: Implement sysfs_delete_link and sysfs_rename_link
By: ebiederm on Tue, 07 August 2007 21:36
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[PATCH 25/25] driver core: Implement tagged directory support for device classes.
By: ebiederm on Tue, 07 August 2007 21:36
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Re: alternative approached at tagged nodes
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Re: [PATCH 22/25] sysfs: sysfs_uptdate_file handle multiple superblocks
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Re: [PATCH 21/25] sysfs: sysfs_chmod_file handle multiple superblocks
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Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks
By: ebiederm on Wed, 08 August 2007 15:45
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Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks
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Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks
By: ebiederm on Wed, 08 August 2007 16:35
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Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks
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Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks
By: ebiederm on Wed, 08 August 2007 16:55
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Re: [PATCH 20/25] sysfs: Rename Support multiple superblocks
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Re: [PATCH 19/25] sysfs: sysfs_get_dentry add a sb parameter
By: ebiederm on Wed, 08 August 2007 15:34
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Re: [PATCH 19/25] sysfs: sysfs_get_dentry add a sb parameter
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Re: [PATCH 18/25] sysfs: Rewrite sysfs_move_dir in terms of sysfs dirents
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Re: [PATCH 17/25] sysfs: Rewrite rename in terms of sysfs dirents
By: ebiederm on Wed, 08 August 2007 15:32
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Re: [PATCH 17/25] sysfs: Rewrite rename in terms of sysfs dirents
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Re: [PATCH 15/25] vfs: Remove lookup_one_len_kern
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Re: [PATCH 14/25] sysfs: Don't use lookup_one_len_kern
By: ebiederm on Wed, 08 August 2007 15:26
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Re: [PATCH 14/25] sysfs: Don't use lookup_one_len_kern
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Re: [PATCH 14/25] sysfs: Don't use lookup_one_len_kern
|
|
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Re: [PATCH 13/25] sysfs: Simply sysfs_get_dentry
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|
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Re: [PATCH 12/25] sysfs: Introduce sysfs_rename_mutex
By: ebiederm on Wed, 08 August 2007 08:28
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Re: [PATCH 12/25] sysfs: Introduce sysfs_rename_mutex
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Re: [PATCH 12/25] sysfs: Introduce sysfs_rename_mutex
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Re: [PATCH 11/25] sysfs: Remove s_dentry
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Re: [PATCH 10/25] sysfs: Rewrite sysfs_get_dentry in terms of __sysfs_get_dentry
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Re: [PATCH 09/25] sysfs: Move sysfs_get_dentry below __sysfs_get_dentry
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Re: [PATCH 08/25] sysfs: Implement __sysfs_get_dentry
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Re: [PATCH 07/25] sysfs: Rewrite sysfs_drop_dentry.
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Re: [PATCH 06/25] sysfs: Simplify readdir.
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Re: [PATCH 05/25] sysfs: In sysfs_lookup don't open code sysfs_find_dirent
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Re: [PATCH 04/25] sysfs: Make sysfs_mount static
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Re: [PATCH 03/25] sysfs: Use kill_anon_super
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Re: [PATCH 02/25] sysfs: Remove sysfs_instantiate
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Re: [PATCH 01/25] sysfs: Move all of inode initialization into sysfs_init_inode
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
By: ebiederm on Wed, 08 August 2007 07:47
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
By: ebiederm on Wed, 08 August 2007 07:57
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
By: ebiederm on Wed, 08 August 2007 15:08
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
By: ebiederm on Wed, 08 August 2007 15:53
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
By: ebiederm on Wed, 08 August 2007 16:37
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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Re: [PATCH 0/25] Sysfs cleanups & tagged directory support
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