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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-29 21:58:39 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-30 19:01:03 +0100 |
| commit | fceef393a538134f03b778c5d2519e670269342f (patch) | |
| tree | cd43c9afdc07852d286965ad4d11772f6c275d1a /mm/shmem.c | |
| parent | kill free_page_put_link() (diff) | |
| download | linux-fceef393a538134f03b778c5d2519e670269342f.tar.xz linux-fceef393a538134f03b778c5d2519e670269342f.zip | |
switch ->get_link() to delayed_call, kill ->put_link()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 0605716aee06..bab9041b1967 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2496,8 +2496,15 @@ static int shmem_symlink(struct inode *dir, struct dentry *dentry, const char *s return 0; } +static void shmem_put_link(void *arg) +{ + mark_page_accessed(arg); + put_page(arg); +} + static const char *shmem_get_link(struct dentry *dentry, - struct inode *inode, void **cookie) + struct inode *inode, + struct delayed_call *done) { struct page *page = NULL; int error; @@ -2515,17 +2522,10 @@ static const char *shmem_get_link(struct dentry *dentry, return ERR_PTR(error); unlock_page(page); } - *cookie = page; + set_delayed_call(done, shmem_put_link, page); return page_address(page); } -static void shmem_put_link(struct inode *unused, void *cookie) -{ - struct page *page = cookie; - mark_page_accessed(page); - page_cache_release(page); -} - #ifdef CONFIG_TMPFS_XATTR /* * Superblocks without xattr inode operations may get some security.* xattr @@ -2680,7 +2680,6 @@ static const struct inode_operations shmem_short_symlink_operations = { static const struct inode_operations shmem_symlink_inode_operations = { .readlink = generic_readlink, .get_link = shmem_get_link, - .put_link = shmem_put_link, #ifdef CONFIG_TMPFS_XATTR .setxattr = shmem_setxattr, .getxattr = shmem_getxattr, |