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[PATCH] Mark some key VFS functions as __always_inline

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Mark a few VFS functions as mandatory inline (based on Al Viro's request);
these must be inline due to stack usage issues during a recursive loop that
happens during the recursive symlink resolution (symlink to a symlink to a
symlink ..)

This patch at this point does not change behavior and is for documentation
purposes only (but this changes later in the series)

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Arjan van de Ven 2006-01-14 13:21:31 -08:00 committed by Linus Torvalds
parent 652050aec9
commit f16623569e
1 changed files with 4 additions and 4 deletions
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8
fs/namei.c
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@ -486,7 +486,7 @@ static struct dentry * real_lookup(struct dentry * parent, struct qstr * name, s
static int __emul_lookup_dentry(const char *, struct nameidata *); static int __emul_lookup_dentry(const char *, struct nameidata *);
/* SMP-safe */ /* SMP-safe */
static inline int static __always_inline int
walk_init_root(const char *name, struct nameidata *nd) walk_init_root(const char *name, struct nameidata *nd)
{ {
read_lock(&current->fs->lock); read_lock(&current->fs->lock);
@ -504,7 +504,7 @@ walk_init_root(const char *name, struct nameidata *nd)
return 1; return 1;
} }
static inline int __vfs_follow_link(struct nameidata *nd, const char *link) static __always_inline int __vfs_follow_link(struct nameidata *nd, const char *link)
{ {
int res = 0; int res = 0;
char *name; char *name;
@ -544,7 +544,7 @@ struct path {
struct dentry *dentry; struct dentry *dentry;
}; };
static inline int __do_follow_link(struct path *path, struct nameidata *nd) static __always_inline int __do_follow_link(struct path *path, struct nameidata *nd)
{ {
int error; int error;
void *cookie; void *cookie;
@ -690,7 +690,7 @@ int follow_down(struct vfsmount **mnt, struct dentry **dentry)
return 0; return 0;
} }
static inline void follow_dotdot(struct nameidata *nd) static __always_inline void follow_dotdot(struct nameidata *nd)
{ {
while(1) { while(1) {
struct vfsmount *parent; struct vfsmount *parent;