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iget: stop PROCFS from using iget() and read_inode() 

Stop the PROCFS filesystem from using iget() and read_inode().  Merge
procfs_read_inode() into procfs_get_inode(), and have that call iget_locked()
instead of iget().

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2008-02-07 00:15:45 -08:00 committed by Linus Torvalds
parent a90a088021
commit a1d4aebbfa
1 changed files with 30 additions and 34 deletions
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64
fs/proc/inode.c
View File

@ -73,11 +73,6 @@ static void proc_delete_inode(struct inode *inode)
struct vfsmount *proc_mnt; struct vfsmount *proc_mnt;
static void proc_read_inode(struct inode * inode)
{
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
}
static struct kmem_cache * proc_inode_cachep; static struct kmem_cache * proc_inode_cachep;
static struct inode *proc_alloc_inode(struct super_block *sb) static struct inode *proc_alloc_inode(struct super_block *sb)
@ -128,7 +123,6 @@ static int proc_remount(struct super_block *sb, int *flags, char *data)
static const struct super_operations proc_sops = { static const struct super_operations proc_sops = {
.alloc_inode = proc_alloc_inode, .alloc_inode = proc_alloc_inode,
.destroy_inode = proc_destroy_inode, .destroy_inode = proc_destroy_inode,
.read_inode = proc_read_inode,
.drop_inode = generic_delete_inode, .drop_inode = generic_delete_inode,
.delete_inode = proc_delete_inode, .delete_inode = proc_delete_inode,
.statfs = simple_statfs, .statfs = simple_statfs,
@ -401,39 +395,41 @@ struct inode *proc_get_inode(struct super_block *sb, unsigned int ino,
if (de != NULL && !try_module_get(de->owner)) if (de != NULL && !try_module_get(de->owner))
goto out_mod; goto out_mod;
inode = iget(sb, ino); inode = iget_locked(sb, ino);
if (!inode) if (!inode)
goto out_ino; goto out_ino;
if (inode->i_state & I_NEW) {
PROC_I(inode)->fd = 0; inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
PROC_I(inode)->pde = de; PROC_I(inode)->fd = 0;
if (de) { PROC_I(inode)->pde = de;
if (de->mode) { if (de) {
inode->i_mode = de->mode; if (de->mode) {
inode->i_uid = de->uid; inode->i_mode = de->mode;
inode->i_gid = de->gid; inode->i_uid = de->uid;
} inode->i_gid = de->gid;
if (de->size) }
inode->i_size = de->size; if (de->size)
if (de->nlink) inode->i_size = de->size;
inode->i_nlink = de->nlink; if (de->nlink)
if (de->proc_iops) inode->i_nlink = de->nlink;
inode->i_op = de->proc_iops; if (de->proc_iops)
if (de->proc_fops) { inode->i_op = de->proc_iops;
if (S_ISREG(inode->i_mode)) { if (de->proc_fops) {
#ifdef CONFIG_COMPAT if (S_ISREG(inode->i_mode)) {
if (!de->proc_fops->compat_ioctl) #ifdef CONFIG_COMPAT
inode->i_fop = if (!de->proc_fops->compat_ioctl)
&proc_reg_file_ops_no_compat; inode->i_fop =
else &proc_reg_file_ops_no_compat;
#endif else
inode->i_fop = &proc_reg_file_ops; #endif
inode->i_fop = &proc_reg_file_ops;
} else {
inode->i_fop = de->proc_fops;
}
} }
else
inode->i_fop = de->proc_fops;
} }
unlock_new_inode(inode);
} }
return inode; return inode;
out_ino: out_ino: