* @{
*/
+#include <linux/kernel.h>
#include <linux/types.h>
#ifdef __KERNEL__
# include <linux/lustre/lustre_fiemap.h>
#endif /* __KERNEL__ */
+/* Handle older distros */
+#ifndef __ALIGN_KERNEL
+# define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
+# define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
+#endif
+
#if defined(__cplusplus)
extern "C" {
#endif
};
#define PRJQUOTA 2
-#if defined(__x86_64__) || defined(__ia64__) || defined(__ppc64__) || \
- defined(__craynv) || defined(__mips64__) || defined(__powerpc64__) || \
- defined(__aarch64__)
-typedef struct stat lstat_t;
-# define lstat_f lstat
-# define fstat_f fstat
-# define fstatat_f fstatat
-# define HAVE_LOV_USER_MDS_DATA
-#elif defined(__USE_LARGEFILE64) || defined(__KERNEL__)
-typedef struct stat64 lstat_t;
-# define lstat_f lstat64
-# define fstat_f fstat64
-# define fstatat_f fstatat64
-# define HAVE_LOV_USER_MDS_DATA
+/*
+ * We need to always use 64bit version because the structure
+ * is shared across entire cluster where 32bit and 64bit machines
+ * are co-existing.
+ */
+#if __BITS_PER_LONG != 64 || defined(__ARCH_WANT_STAT64)
+typedef struct stat64 lstat_t;
+#define lstat_f lstat64
+#define fstat_f fstat64
+#define fstatat_f fstatat64
+#else
+typedef struct stat lstat_t;
+#define lstat_f lstat
+#define fstat_f fstat
+#define fstatat_f fstatat
#endif
+#define HAVE_LOV_USER_MDS_DATA
+
#define LUSTRE_EOF 0xffffffffffffffffULL
/* for statfs() */
LL_LEASE_RESYNC = 0x1,
LL_LEASE_RESYNC_DONE = 0x2,
LL_LEASE_LAYOUT_MERGE = 0x4,
+ LL_LEASE_LAYOUT_SPLIT = 0x8,
};
#define IOC_IDS_MAX 4096
static inline bool lov_pattern_supported(__u32 pattern)
{
- return pattern == LOV_PATTERN_RAID0 ||
- pattern == LOV_PATTERN_MDT ||
- pattern == (LOV_PATTERN_RAID0 | LOV_PATTERN_F_RELEASED);
+ return (pattern & ~LOV_PATTERN_F_RELEASED) == LOV_PATTERN_RAID0 ||
+ (pattern & ~LOV_PATTERN_F_RELEASED) == LOV_PATTERN_MDT;
}
#define LOV_MAXPOOLNAME 15
*/
enum lov_comp_md_flags {
/* the least 2 bits are used by FLR to record file state */
- LCM_FL_NOT_FLR = 0,
+ LCM_FL_NONE = 0,
LCM_FL_RDONLY = 1,
LCM_FL_WRITE_PENDING = 2,
LCM_FL_SYNC_PENDING = 3,
#endif /* !__KERNEL__ */
/* lustre volatile file support
- * file name header: .^L^S^T^R:volatile"
+ * file name header: ".^L^S^T^R:volatile"
*/
#define LUSTRE_VOLATILE_HDR ".\x0c\x13\x14\x12:VOLATILE"
#define LUSTRE_VOLATILE_HDR_LEN 14
-typedef enum lustre_quota_version {
+enum lustre_quota_version {
LUSTRE_QUOTA_V2 = 1
-} lustre_quota_version_t;
+};
/* XXX: same as if_dqinfo struct in kernel */
struct obd_dqinfo {
CL_LAYOUT = 12, /* file layout/striping modified */
CL_TRUNC = 13,
CL_SETATTR = 14,
- CL_XATTR = 15,
+ CL_SETXATTR = 15,
+ CL_XATTR = CL_SETXATTR, /* Deprecated name */
CL_HSM = 16, /* HSM specific events, see flags */
CL_MTIME = 17, /* Precedence: setattr > mtime > ctime > atime */
CL_CTIME = 18,
CL_MIGRATE = 20,
CL_FLRW = 21, /* FLR: file was firstly written */
CL_RESYNC = 22, /* FLR: file was resync-ed */
+ CL_GETXATTR = 23,
+ CL_DN_OPEN = 24, /* denied open */
CL_LAST
};
"MARK", "CREAT", "MKDIR", "HLINK", "SLINK", "MKNOD", "UNLNK",
"RMDIR", "RENME", "RNMTO", "OPEN", "CLOSE", "LYOUT", "TRUNC",
"SATTR", "XATTR", "HSM", "MTIME", "CTIME", "ATIME", "MIGRT",
- "FLRW", "RESYNC",
+ "FLRW", "RESYNC","GXATR", "NOPEN",
};
if (type >= 0 && type < CL_LAST)
CLFE_UIDGID = 0x0001,
CLFE_NID = 0x0002,
CLFE_OPEN = 0x0004,
- CLFE_SUPPORTED = CLFE_UIDGID | CLFE_NID | CLFE_OPEN
+ CLFE_XATTR = 0x0008,
+ CLFE_SUPPORTED = CLFE_UIDGID | CLFE_NID | CLFE_OPEN | CLFE_XATTR
};
enum changelog_send_flag {
CHANGELOG_EXTRA_FLAG_NID = 0x02,
/* Pack open mode into the changelog record */
CHANGELOG_EXTRA_FLAG_OMODE = 0x04,
+ /* Pack xattr name into the changelog record */
+ CHANGELOG_EXTRA_FLAG_XATTR = 0x08,
};
-#define CR_MAXSIZE cfs_size_round(2 * NAME_MAX + 2 + \
+#define CR_MAXSIZE __ALIGN_KERNEL(2 * NAME_MAX + 2 + \
changelog_rec_offset(CLF_SUPPORTED, \
- CLFE_SUPPORTED))
+ CLFE_SUPPORTED), 8)
/* 31 usable bytes string + null terminator. */
#define LUSTRE_JOBID_SIZE 32
__u32 cr_openflags;
};
+/* Changelog extra extension to include xattr */
+struct changelog_ext_xattr {
+ char cr_xattr[XATTR_NAME_MAX + 1]; /**< zero-terminated string. */
+};
+
static inline struct changelog_ext_extra_flags *changelog_rec_extra_flags(
const struct changelog_rec *rec);
size += sizeof(struct changelog_ext_nid);
if (cref & CLFE_OPEN)
size += sizeof(struct changelog_ext_openmode);
+ if (cref & CLFE_XATTR)
+ size += sizeof(struct changelog_ext_xattr);
}
return size;
changelog_rec_offset(crf, cref));
}
+/* The xattr name is the fourth extra extension */
+static inline
+struct changelog_ext_xattr *changelog_rec_xattr(
+ const struct changelog_rec *rec)
+{
+ enum changelog_rec_flags crf = rec->cr_flags &
+ (CLF_VERSION | CLF_RENAME | CLF_JOBID | CLF_EXTRA_FLAGS);
+ enum changelog_rec_extra_flags cref = CLFE_INVALID;
+
+ if (rec->cr_flags & CLF_EXTRA_FLAGS)
+ cref = changelog_rec_extra_flags(rec)->cr_extra_flags &
+ (CLFE_UIDGID | CLFE_NID | CLFE_OPEN);
+
+ return (struct changelog_ext_xattr *)((char *)rec +
+ changelog_rec_offset(crf, cref));
+}
+
/* The name follows the rename, jobid and extra flags extns, if present */
static inline char *changelog_rec_name(const struct changelog_rec *rec)
{
enum changelog_rec_flags crf_wanted,
enum changelog_rec_extra_flags cref_want)
{
+ char *xattr_mov = NULL;
char *omd_mov = NULL;
char *nid_mov = NULL;
char *uidgid_mov = NULL;
/* Locations of extensions in the remapped record */
if (rec->cr_flags & CLF_EXTRA_FLAGS) {
+ xattr_mov = (char *)rec +
+ changelog_rec_offset(crf_wanted & CLF_SUPPORTED,
+ cref_want & ~CLFE_XATTR);
omd_mov = (char *)rec +
changelog_rec_offset(crf_wanted & CLF_SUPPORTED,
- cref_want & ~CLFE_OPEN);
+ cref_want & ~(CLFE_OPEN |
+ CLFE_XATTR));
nid_mov = (char *)rec +
changelog_rec_offset(crf_wanted & CLF_SUPPORTED,
cref_want & ~(CLFE_NID |
- CLFE_OPEN));
+ CLFE_OPEN |
+ CLFE_XATTR));
uidgid_mov = (char *)rec +
changelog_rec_offset(crf_wanted & CLF_SUPPORTED,
cref_want & ~(CLFE_UIDGID |
CLFE_NID |
- CLFE_OPEN));
+ CLFE_OPEN |
+ CLFE_XATTR));
cref = changelog_rec_extra_flags(rec)->cr_extra_flags;
}
/* Move the extension fields to the desired positions */
if ((crf_wanted & CLF_EXTRA_FLAGS) &&
(rec->cr_flags & CLF_EXTRA_FLAGS)) {
+ if ((cref_want & CLFE_XATTR) && (cref & CLFE_XATTR))
+ memmove(xattr_mov, changelog_rec_xattr(rec),
+ sizeof(struct changelog_ext_xattr));
+
if ((cref_want & CLFE_OPEN) && (cref & CLFE_OPEN))
memmove(omd_mov, changelog_rec_openmode(rec),
sizeof(struct changelog_ext_openmode));
sizeof(struct changelog_ext_rename));
/* Clear newly added fields */
+ if (xattr_mov && (cref_want & CLFE_XATTR) &&
+ !(cref & CLFE_XATTR))
+ memset(xattr_mov, 0, sizeof(struct changelog_ext_xattr));
+
if (omd_mov && (cref_want & CLFE_OPEN) &&
!(cref & CLFE_OPEN))
memset(omd_mov, 0, sizeof(struct changelog_ext_openmode));
boundaries. See hai_zero */
} __attribute__((packed));
-#ifndef HAVE_CFS_SIZE_ROUND
-static inline int cfs_size_round (int val)
-{
- return (val + 7) & (~0x7);
-}
-#define HAVE_CFS_SIZE_ROUND
-#endif
-
/* Return pointer to first hai in action list */
static inline struct hsm_action_item *hai_first(struct hsm_action_list *hal)
{
- return (struct hsm_action_item *)(hal->hal_fsname +
- cfs_size_round(strlen(hal-> \
- hal_fsname)
- + 1));
+ size_t offset = __ALIGN_KERNEL(strlen(hal->hal_fsname) + 1, 8);
+
+ return (struct hsm_action_item *)(hal->hal_fsname + offset);
}
+
/* Return pointer to next hai */
static inline struct hsm_action_item * hai_next(struct hsm_action_item *hai)
{
- return (struct hsm_action_item *)((char *)hai +
- cfs_size_round(hai->hai_len));
+ size_t offset = __ALIGN_KERNEL(hai->hai_len, 8);
+
+ return (struct hsm_action_item *)((char *)hai + offset);
}
/* Return size of an hsm_action_list */
size_t sz;
struct hsm_action_item *hai;
- sz = sizeof(*hal) + cfs_size_round(strlen(hal->hal_fsname) + 1);
+ sz = sizeof(*hal) + __ALIGN_KERNEL(strlen(hal->hal_fsname) + 1, 8);
hai = hai_first(hal);
for (i = 0; i < hal->hal_count ; i++, hai = hai_next(hai))
- sz += cfs_size_round(hai->hai_len);
+ sz += __ALIGN_KERNEL(hai->hai_len, 8);
return sz;
}