diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2009-06-08 19:50:45 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-06-24 08:15:27 -0400 |
| commit | f19d4a8fa6f9b6ccf54df0971c97ffcaa390b7b0 (patch) | |
| tree | 552854efb57cce365c4db585f1009946aeb03062 | |
| parent | 3e63cbb1efca7dd3137de1bb475e2e068e38ef23 (diff) | |
add caching of ACLs in struct inode
No helpers, no conversions yet.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/inode.c | 10 | ||||
| -rw-r--r-- | include/linux/fs.h | 7 |
2 files changed, 17 insertions, 0 deletions
diff --git a/fs/inode.c b/fs/inode.c index f643be565df..e193cd592fa 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -25,6 +25,7 @@ #include <linux/fsnotify.h> #include <linux/mount.h> #include <linux/async.h> +#include <linux/posix_acl.h> /* * This is needed for the following functions: @@ -189,6 +190,9 @@ struct inode *inode_init_always(struct super_block *sb, struct inode *inode) } inode->i_private = NULL; inode->i_mapping = mapping; +#ifdef CONFIG_FS_POSIX_ACL + inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED; +#endif #ifdef CONFIG_FSNOTIFY inode->i_fsnotify_mask = 0; @@ -227,6 +231,12 @@ void destroy_inode(struct inode *inode) ima_inode_free(inode); security_inode_free(inode); fsnotify_inode_delete(inode); +#ifdef CONFIG_FS_POSIX_ACL + if (inode->i_acl && inode->i_acl != ACL_NOT_CACHED) + posix_acl_release(inode->i_acl); + if (inode->i_default_acl && inode->i_default_acl != ACL_NOT_CACHED) + posix_acl_release(inode->i_default_acl); +#endif if (inode->i_sb->s_op->destroy_inode) inode->i_sb->s_op->destroy_inode(inode); else diff --git a/include/linux/fs.h b/include/linux/fs.h index 79e302ddde0..0872372184f 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -710,6 +710,9 @@ static inline int mapping_writably_mapped(struct address_space *mapping) #define i_size_ordered_init(inode) do { } while (0) #endif +struct posix_acl; +#define ACL_NOT_CACHED ((void *)(-1)) + struct inode { struct hlist_node i_hash; struct list_head i_list; @@ -773,6 +776,10 @@ struct inode { #ifdef CONFIG_SECURITY void *i_security; #endif +#ifdef CONFIG_FS_POSIX_ACL + struct posix_acl *i_acl; + struct posix_acl *i_default_acl; +#endif void *i_private; /* fs or device private pointer */ }; |