diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/xattr_compat.h | 120 |
1 files changed, 93 insertions, 27 deletions
diff --git a/include/linux/xattr_compat.h b/include/linux/xattr_compat.h index 28eff95fa..eee6c1f94 100644 --- a/include/linux/xattr_compat.h +++ b/include/linux/xattr_compat.h @@ -42,25 +42,72 @@ typedef struct xattr_handler xattr_handler_t; #endif /* + * 3.7 API change, + * Preferred XATTR_NAME_* definitions introduced, these are mapped to + * the previous definitions for older kernels. + */ +#ifndef XATTR_NAME_POSIX_ACL_DEFAULT +#define XATTR_NAME_POSIX_ACL_DEFAULT POSIX_ACL_XATTR_DEFAULT +#endif + +#ifndef XATTR_NAME_POSIX_ACL_ACCESS +#define XATTR_NAME_POSIX_ACL_ACCESS POSIX_ACL_XATTR_ACCESS +#endif + +/* + * 4.5 API change, + */ +#if defined(HAVE_XATTR_LIST_SIMPLE) +#define ZPL_XATTR_LIST_WRAPPER(fn) \ +static bool \ +fn(struct dentry *dentry) \ +{ \ + return (!!__ ## fn(dentry->d_inode, NULL, 0, NULL, 0)); \ +} +/* + * 4.4 API change, + */ +#elif defined(HAVE_XATTR_LIST_DENTRY) +#define ZPL_XATTR_LIST_WRAPPER(fn) \ +static size_t \ +fn(struct dentry *dentry, char *list, size_t list_size, \ + const char *name, size_t name_len, int type) \ +{ \ + return (__ ## fn(dentry->d_inode, \ + list, list_size, name, name_len)); \ +} +/* * 2.6.33 API change, - * The xattr_hander->get() callback was changed to take a dentry - * instead of an inode, and a handler_flags argument was added. */ -#ifdef HAVE_DENTRY_XATTR_GET -#define ZPL_XATTR_GET_WRAPPER(fn) \ -static int \ -fn(struct dentry *dentry, const char *name, void *buffer, size_t size, \ - int unused_handler_flags) \ +#elif defined(HAVE_XATTR_LIST_HANDLER) +#define ZPL_XATTR_LIST_WRAPPER(fn) \ +static size_t \ +fn(const struct xattr_handler *handler, struct dentry *dentry, \ + char *list, size_t list_size, const char *name, size_t name_len) \ { \ - return (__ ## fn(dentry->d_inode, name, buffer, size)); \ + return (__ ## fn(dentry->d_inode, \ + list, list_size, name, name_len)); \ +} +/* + * 2.6.32 API + */ +#elif defined(HAVE_XATTR_LIST_INODE) +#define ZPL_XATTR_LIST_WRAPPER(fn) \ +static size_t \ +fn(struct inode *ip, char *list, size_t list_size, \ + const char *name, size_t name_len) \ +{ \ + return (__ ## fn(ip, list, list_size, name, name_len)); \ } +#endif + /* * 4.4 API change, - * The xattr_hander->get() callback was changed to take a xattr_handler, + * The xattr_handler->get() callback was changed to take a xattr_handler, * and handler_flags argument was removed and should be accessed by * handler->flags. */ -#elif defined(HAVE_HANDLER_XATTR_GET) +#if defined(HAVE_XATTR_GET_HANDLER) #define ZPL_XATTR_GET_WRAPPER(fn) \ static int \ fn(const struct xattr_handler *handler, struct dentry *dentry, \ @@ -68,35 +115,38 @@ fn(const struct xattr_handler *handler, struct dentry *dentry, \ { \ return (__ ## fn(dentry->d_inode, name, buffer, size)); \ } -#else +/* + * 2.6.33 API change, + * The xattr_handler->get() callback was changed to take a dentry + * instead of an inode, and a handler_flags argument was added. + */ +#elif defined(HAVE_XATTR_GET_DENTRY) #define ZPL_XATTR_GET_WRAPPER(fn) \ static int \ -fn(struct inode *ip, const char *name, void *buffer, size_t size) \ +fn(struct dentry *dentry, const char *name, void *buffer, size_t size, \ + int unused_handler_flags) \ { \ - return (__ ## fn(ip, name, buffer, size)); \ + return (__ ## fn(dentry->d_inode, name, buffer, size)); \ } -#endif /* HAVE_DENTRY_XATTR_GET */ - /* - * 2.6.33 API change, - * The xattr_hander->set() callback was changed to take a dentry - * instead of an inode, and a handler_flags argument was added. + * 2.6.32 API */ -#ifdef HAVE_DENTRY_XATTR_SET -#define ZPL_XATTR_SET_WRAPPER(fn) \ +#elif defined(HAVE_XATTR_GET_INODE) +#define ZPL_XATTR_GET_WRAPPER(fn) \ static int \ -fn(struct dentry *dentry, const char *name, const void *buffer, \ - size_t size, int flags, int unused_handler_flags) \ +fn(struct inode *ip, const char *name, void *buffer, size_t size) \ { \ - return (__ ## fn(dentry->d_inode, name, buffer, size, flags)); \ + return (__ ## fn(ip, name, buffer, size)); \ } +#endif + /* * 4.4 API change, - * The xattr_hander->set() callback was changed to take a xattr_handler, + * The xattr_handler->set() callback was changed to take a xattr_handler, * and handler_flags argument was removed and should be accessed by * handler->flags. */ -#elif defined(HAVE_HANDLER_XATTR_SET) +#if defined(HAVE_XATTR_SET_HANDLER) #define ZPL_XATTR_SET_WRAPPER(fn) \ static int \ fn(const struct xattr_handler *handler, struct dentry *dentry, \ @@ -104,7 +154,23 @@ fn(const struct xattr_handler *handler, struct dentry *dentry, \ { \ return (__ ## fn(dentry->d_inode, name, buffer, size, flags)); \ } -#else +/* + * 2.6.33 API change, + * The xattr_handler->set() callback was changed to take a dentry + * instead of an inode, and a handler_flags argument was added. + */ +#elif defined(HAVE_XATTR_SET_DENTRY) +#define ZPL_XATTR_SET_WRAPPER(fn) \ +static int \ +fn(struct dentry *dentry, const char *name, const void *buffer, \ + size_t size, int flags, int unused_handler_flags) \ +{ \ + return (__ ## fn(dentry->d_inode, name, buffer, size, flags)); \ +} +/* + * 2.6.32 API + */ +#elif defined(HAVE_XATTR_SET_INODE) #define ZPL_XATTR_SET_WRAPPER(fn) \ static int \ fn(struct inode *ip, const char *name, const void *buffer, \ @@ -112,7 +178,7 @@ fn(struct inode *ip, const char *name, const void *buffer, \ { \ return (__ ## fn(ip, name, buffer, size, flags)); \ } -#endif /* HAVE_DENTRY_XATTR_SET */ +#endif #ifdef HAVE_6ARGS_SECURITY_INODE_INIT_SECURITY #define zpl_security_inode_init_security(ip, dip, qstr, nm, val, len) \ |