#include <lustre_intent.h>
#include <linux/compat.h>
#include <linux/aio.h>
+#include <linux/parser.h>
#include <lustre_compat.h>
#include <lustre_crypto.h>
#include <range_lock.h>
};
/* flags for sbi->ll_flags */
-#define LL_SBI_NOLCK 0x01 /* DLM locking disabled (directio-only) */
-#define LL_SBI_CHECKSUM 0x02 /* checksum each page as it's written */
-#define LL_SBI_FLOCK 0x04
-#define LL_SBI_USER_XATTR 0x08 /* support user xattr */
-#define LL_SBI_ACL 0x10 /* support ACL */
-/* LL_SBI_RMT_CLIENT 0x40 remote client */
-#define LL_SBI_MDS_CAPA 0x80 /* support mds capa, obsolete */
-#define LL_SBI_OSS_CAPA 0x100 /* support oss capa, obsolete */
-#define LL_SBI_LOCALFLOCK 0x200 /* Local flocks support by kernel */
-#define LL_SBI_LRU_RESIZE 0x400 /* lru resize support */
-#define LL_SBI_LAZYSTATFS 0x800 /* lazystatfs mount option */
-/* LL_SBI_SOM_PREVIEW 0x1000 SOM preview mount option, obsolete */
-#define LL_SBI_32BIT_API 0x2000 /* generate 32 bit inodes. */
-#define LL_SBI_64BIT_HASH 0x4000 /* support 64-bits dir hash/offset */
-#define LL_SBI_AGL_ENABLED 0x8000 /* enable agl */
-#define LL_SBI_VERBOSE 0x10000 /* verbose mount/umount */
-#define LL_SBI_LAYOUT_LOCK 0x20000 /* layout lock support */
-#define LL_SBI_USER_FID2PATH 0x40000 /* allow fid2path by unprivileged users */
-#define LL_SBI_XATTR_CACHE 0x80000 /* support for xattr cache */
-#define LL_SBI_NOROOTSQUASH 0x100000 /* do not apply root squash */
-#define LL_SBI_ALWAYS_PING 0x200000 /* always ping even if server
- * suppress_pings */
-#define LL_SBI_FAST_READ 0x400000 /* fast read support */
-#define LL_SBI_FILE_SECCTX 0x800000 /* set file security context at create */
-/* LL_SBI_PIO 0x1000000 parallel IO support, introduced in
- 2.10, abandoned */
-#define LL_SBI_TINY_WRITE 0x2000000 /* tiny write support */
-#define LL_SBI_FILE_HEAT 0x4000000 /* file heat support */
-#define LL_SBI_TEST_DUMMY_ENCRYPTION 0x8000000 /* test dummy encryption */
-#define LL_SBI_ENCRYPT 0x10000000 /* client side encryption */
-#define LL_SBI_FOREIGN_SYMLINK 0x20000000 /* foreign fake-symlink support */
-/* foreign fake-symlink upcall registered */
-#define LL_SBI_FOREIGN_SYMLINK_UPCALL 0x40000000
-#define LL_SBI_PARALLEL_DIO 0x80000000 /* parallel (async) submission of
- RPCs for DIO */
-#define LL_SBI_FLAGS { \
- "nolck", \
- "checksum", \
- "flock", \
- "user_xattr", \
- "acl", \
- "???", \
- "???", \
- "mds_capa", \
- "oss_capa", \
- "flock", \
- "lru_resize", \
- "lazy_statfs", \
- "som", \
- "32bit_api", \
- "64bit_hash", \
- "agl", \
- "verbose", \
- "layout", \
- "user_fid2path",\
- "xattr_cache", \
- "norootsquash", \
- "always_ping", \
- "fast_read", \
- "file_secctx", \
- "pio", \
- "tiny_write", \
- "file_heat", \
- "test_dummy_encryption", \
- "noencrypt", \
- "foreign_symlink", \
- "foreign_symlink_upcall", \
- "parallel_dio", \
-}
+enum ll_sbi_flags {
+ LL_SBI_NOLCK, /* DLM locking disabled directio-only */
+ LL_SBI_CHECKSUM, /* checksum each page as it's written */
+ LL_SBI_LOCALFLOCK, /* local flocks instead of fs-wide */
+ LL_SBI_FLOCK, /* flock enabled */
+ LL_SBI_USER_XATTR, /* support user xattr */
+ LL_SBI_LRU_RESIZE, /* lru resize support */
+ LL_SBI_LAZYSTATFS, /* lazystatfs mount option */
+ LL_SBI_32BIT_API, /* generate 32 bit inodes. */
+ LL_SBI_USER_FID2PATH, /* fid2path by unprivileged users */
+ LL_SBI_VERBOSE, /* verbose mount/umount */
+ LL_SBI_ALWAYS_PING, /* ping even if server suppress_pings */
+ LL_SBI_TEST_DUMMY_ENCRYPTION, /* test dummy encryption */
+ LL_SBI_ENCRYPT, /* client side encryption */
+ LL_SBI_FOREIGN_SYMLINK, /* foreign fake-symlink support */
+ LL_SBI_FOREIGN_SYMLINK_UPCALL, /* foreign fake-symlink upcall set */
+ LL_SBI_NUM_MOUNT_OPT,
+
+ LL_SBI_ACL, /* support ACL */
+ LL_SBI_AGL_ENABLED, /* enable agl */
+ LL_SBI_64BIT_HASH, /* support 64-bits dir hash/offset */
+ LL_SBI_LAYOUT_LOCK, /* layout lock support */
+ LL_SBI_XATTR_CACHE, /* support for xattr cache */
+ LL_SBI_NOROOTSQUASH, /* do not apply root squash */
+ LL_SBI_FAST_READ, /* fast read support */
+ LL_SBI_FILE_SECCTX, /* file security context at create */
+ LL_SBI_TINY_WRITE, /* tiny write support */
+ LL_SBI_FILE_HEAT, /* file heat support */
+ LL_SBI_PARALLEL_DIO, /* parallel (async) O_DIRECT RPCs */
+ LL_SBI_NUM_FLAGS
+};
+
+int ll_sbi_flags_seq_show(struct seq_file *m, void *v);
/* This is embedded into llite super-blocks to keep track of connect
* flags (capabilities) supported by all imports given mount is
struct dentry *ll_debugfs_entry;
struct lu_fid ll_root_fid; /* root object fid */
- int ll_flags;
- unsigned int ll_xattr_cache_enabled:1,
- ll_xattr_cache_set:1, /* already set to 0/1 */
- ll_client_common_fill_super_succeeded:1,
- ll_checksum_set:1;
+ DECLARE_BITMAP(ll_flags, LL_SBI_NUM_FLAGS); /* enum ll_sbi_flags */
+ unsigned int ll_xattr_cache_enabled:1,
+ ll_xattr_cache_set:1, /* already set to 0/1 */
+ ll_client_common_fill_super_succeeded:1,
+ ll_checksum_set:1;
- struct lustre_client_ocd ll_lco;
+ struct lustre_client_ocd ll_lco;
struct lprocfs_stats *ll_stats; /* lprocfs stats counter */
#if BITS_PER_LONG == 32
return 1;
#elif defined(CONFIG_COMPAT)
- if (unlikely(sbi->ll_flags & LL_SBI_32BIT_API))
+ if (unlikely(test_bit(LL_SBI_32BIT_API, sbi->ll_flags)))
return true;
# ifdef CONFIG_X86_X32
return unlikely(in_compat_syscall());
#else
- return unlikely(sbi->ll_flags & LL_SBI_32BIT_API);
+ return unlikely(test_bit(LL_SBI_32BIT_API, sbi->ll_flags));
#endif
}
static inline bool ll_sbi_has_fast_read(struct ll_sb_info *sbi)
{
- return !!(sbi->ll_flags & LL_SBI_FAST_READ);
+ return test_bit(LL_SBI_FAST_READ, sbi->ll_flags);
}
static inline bool ll_sbi_has_tiny_write(struct ll_sb_info *sbi)
{
- return !!(sbi->ll_flags & LL_SBI_TINY_WRITE);
+ return test_bit(LL_SBI_TINY_WRITE, sbi->ll_flags);
}
static inline bool ll_sbi_has_file_heat(struct ll_sb_info *sbi)
{
- return !!(sbi->ll_flags & LL_SBI_FILE_HEAT);
+ return test_bit(LL_SBI_FILE_HEAT, sbi->ll_flags);
}
static inline bool ll_sbi_has_foreign_symlink(struct ll_sb_info *sbi)
{
- return !!(sbi->ll_flags & LL_SBI_FOREIGN_SYMLINK);
+ return test_bit(LL_SBI_FOREIGN_SYMLINK, sbi->ll_flags);
}
static inline bool ll_sbi_has_parallel_dio(struct ll_sb_info *sbi)
{
- return !!(sbi->ll_flags & LL_SBI_PARALLEL_DIO);
+ return test_bit(LL_SBI_PARALLEL_DIO, sbi->ll_flags);
}
void ll_ras_enter(struct file *f, loff_t pos, size_t count);
LASSERT(fd != NULL);
return ((fd->fd_flags & LL_FILE_IGNORE_LOCK) ||
- (ll_i2sbi(inode)->ll_flags & LL_SBI_NOLCK));
+ test_bit(LL_SBI_NOLCK, ll_i2sbi(inode)->ll_flags));
}
static inline void ll_set_lock_data(struct obd_export *exp, struct inode *inode,
#ifndef HAVE_CPUS_READ_LOCK
#include <libcfs/linux/linux-cpu.h>
#endif
+#include <libcfs/linux/linux-misc.h>
#include <uapi/linux/lustre/lustre_ioctl.h>
#ifdef HAVE_UAPI_LINUX_MOUNT_H
#include <uapi/linux/mount.h>
sbi->ll_ra_info.ra_max_read_ahead_whole_pages = -1;
atomic_set(&sbi->ll_ra_info.ra_async_inflight, 0);
- sbi->ll_flags |= LL_SBI_VERBOSE;
+ set_bit(LL_SBI_VERBOSE, sbi->ll_flags);
#ifdef ENABLE_CHECKSUM
- sbi->ll_flags |= LL_SBI_CHECKSUM;
+ set_bit(LL_SBI_CHECKSUM, sbi->ll_flags);
#endif
#ifdef ENABLE_FLOCK
- sbi->ll_flags |= LL_SBI_FLOCK;
+ set_bit(LL_SBI_FLOCK, sbi->ll_flags);
#endif
#ifdef HAVE_LRU_RESIZE_SUPPORT
- sbi->ll_flags |= LL_SBI_LRU_RESIZE;
+ set_bit(LL_SBI_LRU_RESIZE, sbi->ll_flags);
#endif
- sbi->ll_flags |= LL_SBI_LAZYSTATFS;
+ set_bit(LL_SBI_LAZYSTATFS, sbi->ll_flags);
for (i = 0; i <= LL_PROCESS_HIST_MAX; i++) {
spin_lock_init(&sbi->ll_rw_extents_info.pp_extents[i].
atomic_set(&sbi->ll_sa_wrong, 0);
atomic_set(&sbi->ll_sa_running, 0);
atomic_set(&sbi->ll_agl_total, 0);
- sbi->ll_flags |= LL_SBI_AGL_ENABLED;
- sbi->ll_flags |= LL_SBI_FAST_READ;
- sbi->ll_flags |= LL_SBI_TINY_WRITE;
- sbi->ll_flags |= LL_SBI_PARALLEL_DIO;
+ set_bit(LL_SBI_AGL_ENABLED, sbi->ll_flags);
+ set_bit(LL_SBI_FAST_READ, sbi->ll_flags);
+ set_bit(LL_SBI_TINY_WRITE, sbi->ll_flags);
+ set_bit(LL_SBI_PARALLEL_DIO, sbi->ll_flags);
ll_sbi_set_encrypt(sbi, true);
/* root squash */
struct lustre_md lmd;
u64 valid;
int size, err, checksum;
+ bool api32;
ENTRY;
sbi->ll_md_obd = class_name2obd(md);
OBD_CONNECT2_ATOMIC_OPEN_LOCK;
#ifdef HAVE_LRU_RESIZE_SUPPORT
- if (sbi->ll_flags & LL_SBI_LRU_RESIZE)
+ if (test_bit(LL_SBI_LRU_RESIZE, sbi->ll_flags))
data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE;
#endif
data->ocd_connect_flags |= OBD_CONNECT_ACL_FLAGS;
if (sb->s_flags & SB_RDONLY)
data->ocd_connect_flags |= OBD_CONNECT_RDONLY;
- if (sbi->ll_flags & LL_SBI_USER_XATTR)
+ if (test_bit(LL_SBI_USER_XATTR, sbi->ll_flags))
data->ocd_connect_flags |= OBD_CONNECT_XATTR;
#ifdef SB_NOSEC
sbi->ll_fop = ll_select_file_operations(sbi);
/* always ping even if server suppress_pings */
- if (sbi->ll_flags & LL_SBI_ALWAYS_PING)
+ if (test_bit(LL_SBI_ALWAYS_PING, sbi->ll_flags))
data->ocd_connect_flags &= ~OBD_CONNECT_PINGLESS;
obd_connect_set_secctx(data);
sbi->ll_namelen = osfs->os_namelen;
sbi->ll_mnt.mnt = current->fs->root.mnt;
- if ((sbi->ll_flags & LL_SBI_USER_XATTR) &&
+ if (test_bit(LL_SBI_USER_XATTR, sbi->ll_flags) &&
!(data->ocd_connect_flags & OBD_CONNECT_XATTR)) {
LCONSOLE_INFO("Disabling user_xattr feature because "
"it is not supported on the server\n");
- sbi->ll_flags &= ~LL_SBI_USER_XATTR;
+ clear_bit(LL_SBI_USER_XATTR, sbi->ll_flags);
}
if (data->ocd_connect_flags & OBD_CONNECT_ACL) {
#ifdef SB_POSIXACL
sb->s_flags |= SB_POSIXACL;
#endif
- sbi->ll_flags |= LL_SBI_ACL;
+ set_bit(LL_SBI_ACL, sbi->ll_flags);
} else {
LCONSOLE_INFO("client wants to enable acl, but mdt not!\n");
#ifdef SB_POSIXACL
sb->s_flags &= ~SB_POSIXACL;
#endif
- sbi->ll_flags &= ~LL_SBI_ACL;
+ clear_bit(LL_SBI_ACL, sbi->ll_flags);
}
if (data->ocd_connect_flags & OBD_CONNECT_64BITHASH)
- sbi->ll_flags |= LL_SBI_64BIT_HASH;
+ set_bit(LL_SBI_64BIT_HASH, sbi->ll_flags);
if (data->ocd_connect_flags & OBD_CONNECT_LAYOUTLOCK)
- sbi->ll_flags |= LL_SBI_LAYOUT_LOCK;
+ set_bit(LL_SBI_LAYOUT_LOCK, sbi->ll_flags);
if (obd_connect_has_secctx(data))
- sbi->ll_flags |= LL_SBI_FILE_SECCTX;
+ set_bit(LL_SBI_FILE_SECCTX, sbi->ll_flags);
if (ll_sbi_has_encrypt(sbi) && !obd_connect_has_enc(data)) {
if (ll_sbi_has_test_dummy_encryption(sbi))
} else if (!sbi->ll_xattr_cache_set) {
/* If xattr_cache is already set (no matter 0 or 1)
* during processing llog, it won't be enabled here. */
- sbi->ll_flags |= LL_SBI_XATTR_CACHE;
+ set_bit(LL_SBI_XATTR_CACHE, sbi->ll_flags);
sbi->ll_xattr_cache_enabled = 1;
}
}
data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE;
#endif
/* always ping even if server suppress_pings */
- if (sbi->ll_flags & LL_SBI_ALWAYS_PING)
+ if (test_bit(LL_SBI_ALWAYS_PING, sbi->ll_flags))
data->ocd_connect_flags &= ~OBD_CONNECT_PINGLESS;
if (ll_sbi_has_encrypt(sbi))
/* make root inode
* XXX: move this to after cbd setup? */
valid = OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS | OBD_MD_FLMODEASIZE;
- if (sbi->ll_flags & LL_SBI_ACL)
+ if (test_bit(LL_SBI_ACL, sbi->ll_flags))
valid |= OBD_MD_FLACL;
OBD_ALLOC_PTR(op_data);
}
LASSERT(fid_is_sane(&sbi->ll_root_fid));
- root = ll_iget(sb, cl_fid_build_ino(&sbi->ll_root_fid,
- sbi->ll_flags & LL_SBI_32BIT_API),
- &lmd);
+ api32 = test_bit(LL_SBI_32BIT_API, sbi->ll_flags);
+ root = ll_iget(sb, cl_fid_build_ino(&sbi->ll_root_fid, api32), &lmd);
md_free_lustre_md(sbi->ll_md_exp, &lmd);
ptlrpc_req_finished(request);
GOTO(out_root, err);
}
- checksum = sbi->ll_flags & LL_SBI_CHECKSUM;
+ checksum = test_bit(LL_SBI_CHECKSUM, sbi->ll_flags);
if (sbi->ll_checksum_set) {
err = obd_set_info_async(NULL, sbi->ll_dt_exp,
sizeof(KEY_CHECKSUM), KEY_CHECKSUM,
EXIT;
}
-static inline int ll_set_opt(const char *opt, char *data, int fl)
+/* Since we use this table for ll_sbi_flags_seq_show make
+ * sure what you want displayed for a specific token that
+ * is listed more than once below be listed first. For
+ * example we want "checksum" displayed, not "nochecksum"
+ * for the sbi_flags.
+ */
+static const match_table_t ll_sbi_flags_name = {
+ {LL_SBI_NOLCK, "nolock"},
+ {LL_SBI_CHECKSUM, "checksum"},
+ {LL_SBI_CHECKSUM, "nochecksum"},
+ {LL_SBI_LOCALFLOCK, "localflock"},
+ {LL_SBI_FLOCK, "flock"},
+ {LL_SBI_FLOCK, "noflock"},
+ {LL_SBI_USER_XATTR, "user_xattr"},
+ {LL_SBI_USER_XATTR, "nouser_xattr"},
+ {LL_SBI_LRU_RESIZE, "lruresize"},
+ {LL_SBI_LRU_RESIZE, "nolruresize"},
+ {LL_SBI_LAZYSTATFS, "lazystatfs"},
+ {LL_SBI_LAZYSTATFS, "nolazystatfs"},
+ {LL_SBI_32BIT_API, "32bitapi"},
+ {LL_SBI_USER_FID2PATH, "user_fid2path"},
+ {LL_SBI_USER_FID2PATH, "nouser_fid2path"},
+ {LL_SBI_VERBOSE, "verbose"},
+ {LL_SBI_VERBOSE, "noverbose"},
+ {LL_SBI_ALWAYS_PING, "always_ping"},
+ {LL_SBI_TEST_DUMMY_ENCRYPTION, "test_dummy_encryption"},
+ {LL_SBI_ENCRYPT, "encrypt"},
+ {LL_SBI_ENCRYPT, "noencrypt"},
+ {LL_SBI_FOREIGN_SYMLINK, "foreign_symlink=%s"},
+ {LL_SBI_NUM_MOUNT_OPT, NULL},
+
+ {LL_SBI_ACL, "acl"},
+ {LL_SBI_AGL_ENABLED, "agl"},
+ {LL_SBI_64BIT_HASH, "64bit_hash"},
+ {LL_SBI_LAYOUT_LOCK, "layout"},
+ {LL_SBI_XATTR_CACHE, "xattr_cache"},
+ {LL_SBI_NOROOTSQUASH, "norootsquash"},
+ {LL_SBI_FAST_READ, "fast_read"},
+ {LL_SBI_FILE_SECCTX, "file_secctx"},
+ {LL_SBI_TINY_WRITE, "tiny_write"},
+ {LL_SBI_FILE_HEAT, "file_heat"},
+ {LL_SBI_PARALLEL_DIO, "parallel_dio"},
+};
+
+int ll_sbi_flags_seq_show(struct seq_file *m, void *v)
{
- if (strncmp(opt, data, strlen(opt)) != 0)
- return 0;
- else
- return fl;
+ struct super_block *sb = m->private;
+ int i;
+
+ for (i = 0; i < LL_SBI_NUM_FLAGS; i++) {
+ int j;
+
+ if (!test_bit(i, ll_s2sbi(sb)->ll_flags))
+ continue;
+
+ for (j = 0; j < ARRAY_SIZE(ll_sbi_flags_name); j++) {
+ if (ll_sbi_flags_name[j].token == i &&
+ ll_sbi_flags_name[j].pattern) {
+ seq_printf(m, "%s ",
+ ll_sbi_flags_name[j].pattern);
+ break;
+ }
+ }
+ }
+ seq_puts(m, "\b\n");
+ return 0;
}
/* non-client-specific mount options are parsed in lmd_parse */
-static int ll_options(char *options, struct ll_sb_info *sbi)
+static int ll_options(char *options, struct super_block *sb)
{
- int tmp;
- char *s1 = options, *s2;
- int *flags = &sbi->ll_flags;
- ENTRY;
+ struct ll_sb_info *sbi = ll_s2sbi(sb);
+ char *s2, *s1, *opts;
+ ENTRY;
if (!options)
RETURN(0);
+ /* Don't stomp on lmd_opts */
+ opts = kstrdup(options, GFP_KERNEL);
+ if (!opts)
+ RETURN(-ENOMEM);
+ s1 = opts;
+ s2 = opts;
+
CDEBUG(D_CONFIG, "Parsing opts %s\n", options);
- while (*s1) {
+ while ((s1 = strsep(&opts, ",")) != NULL) {
+ substring_t args[MAX_OPT_ARGS];
+ bool turn_off = false;
+ int token;
+
+ if (!*s1)
+ continue;
+
CDEBUG(D_SUPER, "next opt=%s\n", s1);
- tmp = ll_set_opt("nolock", s1, LL_SBI_NOLCK);
- if (tmp) {
- *flags |= tmp;
- goto next;
- }
- tmp = ll_set_opt("flock", s1, LL_SBI_FLOCK);
- if (tmp) {
- *flags = (*flags & ~LL_SBI_LOCALFLOCK) | tmp;
- goto next;
- }
- tmp = ll_set_opt("localflock", s1, LL_SBI_LOCALFLOCK);
- if (tmp) {
- *flags = (*flags & ~LL_SBI_FLOCK) | tmp;
- goto next;
- }
- tmp = ll_set_opt("noflock", s1, LL_SBI_FLOCK|LL_SBI_LOCALFLOCK);
- if (tmp) {
- *flags &= ~tmp;
- goto next;
- }
- tmp = ll_set_opt("user_xattr", s1, LL_SBI_USER_XATTR);
- if (tmp) {
- *flags |= tmp;
- goto next;
- }
- tmp = ll_set_opt("nouser_xattr", s1, LL_SBI_USER_XATTR);
- if (tmp) {
- *flags &= ~tmp;
- goto next;
- }
- tmp = ll_set_opt("context", s1, 1);
- if (tmp)
- goto next;
- tmp = ll_set_opt("fscontext", s1, 1);
- if (tmp)
- goto next;
- tmp = ll_set_opt("defcontext", s1, 1);
- if (tmp)
- goto next;
- tmp = ll_set_opt("rootcontext", s1, 1);
- if (tmp)
- goto next;
- tmp = ll_set_opt("user_fid2path", s1, LL_SBI_USER_FID2PATH);
- if (tmp) {
- *flags |= tmp;
- goto next;
- }
- tmp = ll_set_opt("nouser_fid2path", s1, LL_SBI_USER_FID2PATH);
- if (tmp) {
- *flags &= ~tmp;
- goto next;
- }
- tmp = ll_set_opt("checksum", s1, LL_SBI_CHECKSUM);
- if (tmp) {
- *flags |= tmp;
- sbi->ll_checksum_set = 1;
- goto next;
+ if (strncmp(s1, "no", 2) == 0)
+ turn_off = true;
+
+ /*
+ * Initialize args struct so we know whether arg was
+ * found; some options take optional arguments.
+ */
+ args[0].to = NULL;
+ args[0].from = NULL;
+ token = match_token(s1, ll_sbi_flags_name, args);
+ if (token == LL_SBI_NUM_MOUNT_OPT) {
+ if (match_wildcard("context", s1) ||
+ match_wildcard("fscontext", s1) ||
+ match_wildcard("defcontext", s1) ||
+ match_wildcard("rootcontext",s1))
+ continue;
+
+ LCONSOLE_ERROR_MSG(0x152,
+ "Unknown option '%s', won't mount.\n",
+ s1);
+ RETURN(-EINVAL);
}
- tmp = ll_set_opt("nochecksum", s1, LL_SBI_CHECKSUM);
- if (tmp) {
- *flags &= ~tmp;
+
+ switch (token) {
+ case LL_SBI_NOLCK:
+ case LL_SBI_32BIT_API:
+ case LL_SBI_64BIT_HASH:
+ case LL_SBI_ALWAYS_PING:
+ set_bit(token, sbi->ll_flags);
+ break;
+
+ case LL_SBI_FLOCK:
+ clear_bit(LL_SBI_LOCALFLOCK, sbi->ll_flags);
+ if (turn_off)
+ clear_bit(LL_SBI_FLOCK, sbi->ll_flags);
+ else
+ set_bit(token, sbi->ll_flags);
+ break;
+
+ case LL_SBI_LOCALFLOCK:
+ clear_bit(LL_SBI_FLOCK, sbi->ll_flags);
+ set_bit(token, sbi->ll_flags);
+ break;
+
+ case LL_SBI_CHECKSUM:
sbi->ll_checksum_set = 1;
- goto next;
- }
- tmp = ll_set_opt("lruresize", s1, LL_SBI_LRU_RESIZE);
- if (tmp) {
- *flags |= tmp;
- goto next;
- }
- tmp = ll_set_opt("nolruresize", s1, LL_SBI_LRU_RESIZE);
- if (tmp) {
- *flags &= ~tmp;
- goto next;
- }
- tmp = ll_set_opt("lazystatfs", s1, LL_SBI_LAZYSTATFS);
- if (tmp) {
- *flags |= tmp;
- goto next;
- }
- tmp = ll_set_opt("nolazystatfs", s1, LL_SBI_LAZYSTATFS);
- if (tmp) {
- *flags &= ~tmp;
- goto next;
- }
- tmp = ll_set_opt("32bitapi", s1, LL_SBI_32BIT_API);
- if (tmp) {
- *flags |= tmp;
- goto next;
- }
- tmp = ll_set_opt("verbose", s1, LL_SBI_VERBOSE);
- if (tmp) {
- *flags |= tmp;
- goto next;
- }
- tmp = ll_set_opt("noverbose", s1, LL_SBI_VERBOSE);
- if (tmp) {
- *flags &= ~tmp;
- goto next;
- }
- tmp = ll_set_opt("always_ping", s1, LL_SBI_ALWAYS_PING);
- if (tmp) {
- *flags |= tmp;
- goto next;
- }
- tmp = ll_set_opt("test_dummy_encryption", s1,
- LL_SBI_TEST_DUMMY_ENCRYPTION);
- if (tmp) {
+ /* fall through */
+ case LL_SBI_USER_XATTR:
+ case LL_SBI_USER_FID2PATH:
+ case LL_SBI_LRU_RESIZE:
+ case LL_SBI_LAZYSTATFS:
+ case LL_SBI_VERBOSE:
+ if (turn_off)
+ clear_bit(token, sbi->ll_flags);
+ else
+ set_bit(token, sbi->ll_flags);
+ break;
+ case LL_SBI_TEST_DUMMY_ENCRYPTION: {
#ifdef HAVE_LUSTRE_CRYPTO
- *flags |= tmp;
+ set_bit(token, sbi->ll_flags);
#else
LCONSOLE_WARN("Test dummy encryption mount option ignored: encryption not supported\n");
#endif
- goto next;
+ break;
}
- tmp = ll_set_opt("noencrypt", s1, LL_SBI_ENCRYPT);
- if (tmp) {
+ case LL_SBI_ENCRYPT:
#ifdef HAVE_LUSTRE_CRYPTO
- *flags &= ~tmp;
+ if (turn_off)
+ clear_bit(token, sbi->ll_flags);
+ else
+ set_bit(token, sbi->ll_flags);
#else
- LCONSOLE_WARN("noencrypt mount option ignored: encryption not supported\n");
+ LCONSOLE_WARN("noencrypt or encrypt mount option ignored: encryption not supported\n");
#endif
- goto next;
- }
- tmp = ll_set_opt("foreign_symlink", s1, LL_SBI_FOREIGN_SYMLINK);
- if (tmp) {
- int prefix_pos = sizeof("foreign_symlink=") - 1;
- int equal_pos = sizeof("foreign_symlink=") - 2;
-
+ break;
+ case LL_SBI_FOREIGN_SYMLINK:
/* non-default prefix provided ? */
- if (strlen(s1) >= sizeof("foreign_symlink=") &&
- *(s1 + equal_pos) == '=') {
- char *old = sbi->ll_foreign_symlink_prefix;
- size_t old_len =
- sbi->ll_foreign_symlink_prefix_size;
+ if (args->from) {
+ size_t old_len;
+ char *old;
/* path must be absolute */
- if (*(s1 + sizeof("foreign_symlink=")
- - 1) != '/') {
+ if (args->from[0] != '/') {
LCONSOLE_ERROR_MSG(0x152,
- "foreign prefix '%s' must be an absolute path\n",
- s1 + prefix_pos);
+ "foreign prefix '%s' must be an absolute path\n",
+ args->from);
RETURN(-EINVAL);
}
- /* last option ? */
- s2 = strchrnul(s1 + prefix_pos, ',');
- if (sbi->ll_foreign_symlink_prefix) {
- sbi->ll_foreign_symlink_prefix = NULL;
- sbi->ll_foreign_symlink_prefix_size = 0;
- }
+ old_len = sbi->ll_foreign_symlink_prefix_size;
+ old = sbi->ll_foreign_symlink_prefix;
/* alloc for path length and '\0' */
- OBD_ALLOC(sbi->ll_foreign_symlink_prefix,
- s2 - (s1 + prefix_pos) + 1);
+ sbi->ll_foreign_symlink_prefix = match_strdup(args);
if (!sbi->ll_foreign_symlink_prefix) {
/* restore previous */
sbi->ll_foreign_symlink_prefix = old;
old_len;
RETURN(-ENOMEM);
}
+ sbi->ll_foreign_symlink_prefix_size =
+ args->to - args->from + 1;
+ OBD_ALLOC_POST(sbi->ll_foreign_symlink_prefix,
+ sbi->ll_foreign_symlink_prefix_size,
+ "kmalloced");
if (old)
OBD_FREE(old, old_len);
- strncpy(sbi->ll_foreign_symlink_prefix,
- s1 + prefix_pos,
- s2 - (s1 + prefix_pos));
- sbi->ll_foreign_symlink_prefix_size =
- s2 - (s1 + prefix_pos) + 1;
+
+ /* enable foreign symlink support */
+ set_bit(token, sbi->ll_flags);
} else {
LCONSOLE_ERROR_MSG(0x152,
"invalid %s option\n", s1);
}
- /* enable foreign symlink support */
- *flags |= tmp;
- goto next;
+ /* fall through */
+ default:
+ break;
}
- LCONSOLE_ERROR_MSG(0x152, "Unknown option '%s', won't mount.\n",
- s1);
- RETURN(-EINVAL);
-
-next:
- /* Find next opt */
- s2 = strchr(s1, ',');
- if (s2 == NULL)
- break;
- s1 = s2 + 1;
}
+ kfree(opts);
RETURN(0);
}
if (IS_ERR(sbi))
GOTO(out_free_cfg, err = PTR_ERR(sbi));
- err = ll_options(lsi->lsi_lmd->lmd_opts, sbi);
+ err = ll_options(lsi->lsi_lmd->lmd_opts, sb);
if (err)
GOTO(out_free_cfg, err);
if (err)
ll_put_super(sb);
- else if (sbi->ll_flags & LL_SBI_VERBOSE)
+ else if (test_bit(LL_SBI_VERBOSE, sbi->ll_flags))
LCONSOLE_WARN("Mounted %s\n", profilenm);
RETURN(err);
} /* ll_fill_super */
while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)))
class_manual_cleanup(obd);
- if (sbi->ll_flags & LL_SBI_VERBOSE)
+ if (test_bit(LL_SBI_VERBOSE, sbi->ll_flags))
LCONSOLE_WARN("Unmounted %s\n", profilenm ? profilenm : "");
if (profilenm)
ENTRY;
LASSERT(md->lmv);
- ino = cl_fid_build_ino(fid, sbi->ll_flags & LL_SBI_32BIT_API);
+ ino = cl_fid_build_ino(fid, test_bit(LL_SBI_32BIT_API, sbi->ll_flags));
inode = iget_locked(sb, ino);
if (inode == NULL) {
CERROR("%s: failed get simple inode "DFID": rc = -ENOENT\n",
ENTRY;
max_age = ktime_get_seconds() - sbi->ll_statfs_max_age;
- if (sbi->ll_flags & LL_SBI_LAZYSTATFS)
+ if (test_bit(LL_SBI_LAZYSTATFS, sbi->ll_flags))
flags |= OBD_STATFS_NODELAY;
rc = obd_statfs(NULL, sbi->ll_md_exp, osfs, max_age, flags);
struct ll_inode_info *lli = ll_i2info(inode);
struct mdt_body *body = md->body;
struct ll_sb_info *sbi = ll_i2sbi(inode);
+ bool api32;
int rc = 0;
if (body->mbo_valid & OBD_MD_FLEASIZE) {
if (body->mbo_valid & OBD_MD_FLACL)
lli_replace_acl(lli, md);
- inode->i_ino = cl_fid_build_ino(&body->mbo_fid1,
- sbi->ll_flags & LL_SBI_32BIT_API);
+ api32 = test_bit(LL_SBI_32BIT_API, sbi->ll_flags);
+ inode->i_ino = cl_fid_build_ino(&body->mbo_fid1, api32);
inode->i_generation = cl_fid_build_gen(&body->mbo_fid1);
if (body->mbo_valid & OBD_MD_FLATIME) {
else
sb->s_flags &= ~SB_RDONLY;
- if (sbi->ll_flags & LL_SBI_VERBOSE)
+ if (test_bit(LL_SBI_VERBOSE, sbi->ll_flags))
LCONSOLE_WARN("Remounted %s %s\n", profilenm,
read_only ? "read-only" : "read-write");
}
if (rc != 0)
GOTO(out, rc);
} else {
+ bool api32 = test_bit(LL_SBI_32BIT_API, sbi->ll_flags);
+ struct lu_fid *fid1 = &md.body->mbo_fid1;
+
LASSERT(sb != NULL);
/*
* At this point server returns to client's same fid as client
* generated for creating. So using ->fid1 is okay here.
*/
- if (!fid_is_sane(&md.body->mbo_fid1)) {
+ if (!fid_is_sane(fid1)) {
CERROR("%s: Fid is insane "DFID"\n",
- sbi->ll_fsname,
- PFID(&md.body->mbo_fid1));
+ sbi->ll_fsname, PFID(fid1));
GOTO(out, rc = -EINVAL);
}
- *inode = ll_iget(sb, cl_fid_build_ino(&md.body->mbo_fid1,
- sbi->ll_flags & LL_SBI_32BIT_API),
- &md);
+ *inode = ll_iget(sb, cl_fid_build_ino(fid1, api32), &md);
if (IS_ERR(*inode)) {
lmd_clear_acl(&md);
rc = IS_ERR(*inode) ? PTR_ERR(*inode) : -ENOMEM;
fid_zero(&op_data->op_fid2);
}
- if (ll_i2sbi(i1)->ll_flags & LL_SBI_64BIT_HASH)
+ if (test_bit(LL_SBI_64BIT_HASH, ll_i2sbi(i1)->ll_flags))
op_data->op_cli_flags |= CLI_HASH64;
if (ll_need_32bit_api(ll_i2sbi(i1)))
int ll_show_options(struct seq_file *seq, struct dentry *dentry)
{
struct ll_sb_info *sbi;
+ int i;
LASSERT(seq && dentry);
sbi = ll_s2sbi(dentry->d_sb);
- if (sbi->ll_flags & LL_SBI_NOLCK)
- seq_puts(seq, ",nolock");
-
- /* "flock" is the default since 2.13, but it wasn't for many years,
- * so it is still useful to print this to show it is enabled.
- * Start to print "noflock" so it is now clear when flock is disabled.
- */
- if (sbi->ll_flags & LL_SBI_FLOCK)
- seq_puts(seq, ",flock");
- else if (sbi->ll_flags & LL_SBI_LOCALFLOCK)
- seq_puts(seq, ",localflock");
- else
- seq_puts(seq, ",noflock");
-
- if (sbi->ll_flags & LL_SBI_USER_XATTR)
- seq_puts(seq, ",user_xattr");
-
- if (sbi->ll_flags & LL_SBI_LAZYSTATFS)
- seq_puts(seq, ",lazystatfs");
-
- if (sbi->ll_flags & LL_SBI_USER_FID2PATH)
- seq_puts(seq, ",user_fid2path");
+ if (test_bit(LL_SBI_NOLCK, sbi->ll_flags))
+ seq_puts(seq, "nolock");
- if (sbi->ll_flags & LL_SBI_ALWAYS_PING)
- seq_puts(seq, ",always_ping");
-
- if (ll_sbi_has_test_dummy_encryption(sbi))
- seq_puts(seq, ",test_dummy_encryption");
-
- if (ll_sbi_has_encrypt(sbi))
- seq_puts(seq, ",encrypt");
- else
- seq_puts(seq, ",noencrypt");
+ for (i = 1; ll_sbi_flags_name[i].token != LL_SBI_NUM_MOUNT_OPT; i++) {
+ /* match_table in some cases has patterns for both enabled and
+ * disabled cases. Ignore 'no'xxx versions if bit is set.
+ */
+ if (test_bit(ll_sbi_flags_name[i].token, sbi->ll_flags) &&
+ strncmp(ll_sbi_flags_name[i].pattern, "no", 2)) {
+ if (ll_sbi_flags_name[i].token ==
+ LL_SBI_FOREIGN_SYMLINK) {
+ seq_show_option(seq, "foreign_symlink",
+ sbi->ll_foreign_symlink_prefix);
+ } else {
+ seq_printf(seq, ",%s",
+ ll_sbi_flags_name[i].pattern);
+ }
- if (sbi->ll_flags & LL_SBI_FOREIGN_SYMLINK) {
- seq_puts(seq, ",foreign_symlink=");
- seq_puts(seq, sbi->ll_foreign_symlink_prefix);
+ /* You can have either localflock or flock but not
+ * both. If localflock is set don't print flock or
+ * noflock.
+ */
+ if (ll_sbi_flags_name[i].token == LL_SBI_LOCALFLOCK)
+ i += 2;
+ } else if (!test_bit(ll_sbi_flags_name[i].token, sbi->ll_flags) &&
+ !strncmp(ll_sbi_flags_name[i].pattern, "no", 2)) {
+ seq_printf(seq, ",%s",
+ ll_sbi_flags_name[i].pattern);
+ }
}
RETURN(0);
/* Update norootsquash flag */
spin_lock(&squash->rsi_lock);
if (list_empty(&squash->rsi_nosquash_nids))
- sbi->ll_flags &= ~LL_SBI_NOROOTSQUASH;
+ clear_bit(LL_SBI_NOROOTSQUASH, sbi->ll_flags);
else {
/* Do not apply root squash as soon as one of our NIDs is
* in the nosquash_nids list */
}
}
if (matched)
- sbi->ll_flags |= LL_SBI_NOROOTSQUASH;
+ set_bit(LL_SBI_NOROOTSQUASH, sbi->ll_flags);
else
- sbi->ll_flags &= ~LL_SBI_NOROOTSQUASH;
+ clear_bit(LL_SBI_NOROOTSQUASH, sbi->ll_flags);
}
spin_unlock(&squash->rsi_lock);
}
ENTRY;
if (!capable(CAP_DAC_READ_SEARCH) &&
- !(ll_i2sbi(inode)->ll_flags & LL_SBI_USER_FID2PATH))
+ !test_bit(LL_SBI_USER_FID2PATH, ll_i2sbi(inode)->ll_flags))
RETURN(-EPERM);
if (get_user(name_size, &arg->gp_name_size))
struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
ll_kset.kobj);
- return sprintf(buf, "%u\n", (sbi->ll_flags & LL_SBI_CHECKSUM) ? 1 : 0);
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
+ test_bit(LL_SBI_CHECKSUM, sbi->ll_flags));
}
static ssize_t checksums_store(struct kobject *kobj, struct attribute *attr,
if (rc)
return rc;
if (val)
- sbi->ll_flags |= LL_SBI_CHECKSUM;
+ set_bit(LL_SBI_CHECKSUM, sbi->ll_flags);
else
- sbi->ll_flags &= ~LL_SBI_CHECKSUM;
+ clear_bit(LL_SBI_CHECKSUM, sbi->ll_flags);
tmp = val;
rc = obd_set_info_async(NULL, sbi->ll_dt_exp, sizeof(KEY_CHECKSUM),
struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
ll_kset.kobj);
- return sprintf(buf, "%u\n", sbi->ll_flags & LL_SBI_AGL_ENABLED ? 1 : 0);
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
+ test_bit(LL_SBI_AGL_ENABLED, sbi->ll_flags));
}
static ssize_t statahead_agl_store(struct kobject *kobj,
return rc;
if (val)
- sbi->ll_flags |= LL_SBI_AGL_ENABLED;
+ set_bit(LL_SBI_AGL_ENABLED, sbi->ll_flags);
else
- sbi->ll_flags &= ~LL_SBI_AGL_ENABLED;
+ clear_bit(LL_SBI_AGL_ENABLED, sbi->ll_flags);
return count;
}
struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
ll_kset.kobj);
- return sprintf(buf, "%u\n", (sbi->ll_flags & LL_SBI_LAZYSTATFS) ? 1 : 0);
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
+ test_bit(LL_SBI_LAZYSTATFS, sbi->ll_flags));
}
static ssize_t lazystatfs_store(struct kobject *kobj,
return rc;
if (val)
- sbi->ll_flags |= LL_SBI_LAZYSTATFS;
+ set_bit(LL_SBI_LAZYSTATFS, sbi->ll_flags);
else
- sbi->ll_flags &= ~LL_SBI_LAZYSTATFS;
+ clear_bit(LL_SBI_LAZYSTATFS, sbi->ll_flags);
return count;
}
}
LUSTRE_RW_ATTR(default_easize);
-static int ll_sbi_flags_seq_show(struct seq_file *m, void *v)
-{
- const char *const str[] = LL_SBI_FLAGS;
- struct super_block *sb = m->private;
- int flags = ll_s2sbi(sb)->ll_flags;
- int i = 0;
-
- while (flags != 0) {
- if (ARRAY_SIZE(str) <= i) {
- CERROR("%s: Revise array LL_SBI_FLAGS to match sbi "
- "flags please.\n", ll_s2sbi(sb)->ll_fsname);
- return -EINVAL;
- }
-
- if (flags & 0x1)
- seq_printf(m, "%s ", str[i]);
- flags >>= 1;
- ++i;
- }
- seq_printf(m, "\b\n");
- return 0;
-}
-
LDEBUGFS_SEQ_FOPS_RO(ll_sbi_flags);
static ssize_t xattr_cache_show(struct kobject *kobj,
if (rc)
return rc;
- if (val && !(sbi->ll_flags & LL_SBI_XATTR_CACHE))
+ if (val && !test_bit(LL_SBI_XATTR_CACHE, sbi->ll_flags))
return -ENOTSUPP;
sbi->ll_xattr_cache_enabled = val;
struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
ll_kset.kobj);
- return sprintf(buf, "%u\n", !!(sbi->ll_flags & LL_SBI_TINY_WRITE));
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
+ test_bit(LL_SBI_TINY_WRITE, sbi->ll_flags));
}
static ssize_t tiny_write_store(struct kobject *kobj,
spin_lock(&sbi->ll_lock);
if (val)
- sbi->ll_flags |= LL_SBI_TINY_WRITE;
+ set_bit(LL_SBI_TINY_WRITE, sbi->ll_flags);
else
- sbi->ll_flags &= ~LL_SBI_TINY_WRITE;
+ clear_bit(LL_SBI_TINY_WRITE, sbi->ll_flags);
spin_unlock(&sbi->ll_lock);
return count;
ll_kset.kobj);
return snprintf(buf, PAGE_SIZE, "%u\n",
- !!(sbi->ll_flags & LL_SBI_PARALLEL_DIO));
+ test_bit(LL_SBI_PARALLEL_DIO, sbi->ll_flags));
}
static ssize_t parallel_dio_store(struct kobject *kobj,
spin_lock(&sbi->ll_lock);
if (val)
- sbi->ll_flags |= LL_SBI_PARALLEL_DIO;
+ set_bit(LL_SBI_PARALLEL_DIO, sbi->ll_flags);
else
- sbi->ll_flags &= ~LL_SBI_PARALLEL_DIO;
+ clear_bit(LL_SBI_PARALLEL_DIO, sbi->ll_flags);
spin_unlock(&sbi->ll_lock);
return count;
struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
ll_kset.kobj);
- return sprintf(buf, "%u\n", !!(sbi->ll_flags & LL_SBI_FAST_READ));
+ return scnprintf(buf, PAGE_SIZE, "%u\n",
+ test_bit(LL_SBI_FAST_READ, sbi->ll_flags));
}
static ssize_t fast_read_store(struct kobject *kobj,
spin_lock(&sbi->ll_lock);
if (val)
- sbi->ll_flags |= LL_SBI_FAST_READ;
+ set_bit(LL_SBI_FAST_READ, sbi->ll_flags);
else
- sbi->ll_flags &= ~LL_SBI_FAST_READ;
+ clear_bit(LL_SBI_FAST_READ, sbi->ll_flags);
spin_unlock(&sbi->ll_lock);
return count;
ll_kset.kobj);
return scnprintf(buf, PAGE_SIZE, "%u\n",
- !!(sbi->ll_flags & LL_SBI_FILE_HEAT));
+ test_bit(LL_SBI_FILE_HEAT, sbi->ll_flags));
}
static ssize_t file_heat_store(struct kobject *kobj,
spin_lock(&sbi->ll_lock);
if (val)
- sbi->ll_flags |= LL_SBI_FILE_HEAT;
+ set_bit(LL_SBI_FILE_HEAT, sbi->ll_flags);
else
- sbi->ll_flags &= ~LL_SBI_FILE_HEAT;
+ clear_bit(LL_SBI_FILE_HEAT, sbi->ll_flags);
spin_unlock(&sbi->ll_lock);
return count;