#define DEBUG_SUBSYSTEM S_LLITE
#include <linux/module.h>
+#include <linux/types.h>
#include <linux/random.h>
#include <linux/version.h>
extern struct address_space_operations ll_aops;
extern struct address_space_operations ll_dir_aops;
-extern struct super_operations ll_super_operations;
#ifndef log2
#define log2(n) ffz(~(n))
#endif
-struct ll_sb_info *lustre_init_sbi(struct super_block *sb)
+struct ll_sb_info *lustre_init_sbi(struct super_block *sb)
{
struct ll_sb_info *sbi = NULL;
class_uuid_t uuid;
RETURN(sbi);
}
-void lustre_free_sbi(struct super_block *sb)
+void lustre_free_sbi(struct super_block *sb)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
ENTRY;
sb->s_blocksize_bits = log2(osfs.os_bsize);
sb->s_magic = LL_SUPER_MAGIC;
sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
-
- devno = get_uuid2int(sbi2mdc(sbi)->cl_import->imp_target_uuid.uuid,
+
+ devno = get_uuid2int(sbi2mdc(sbi)->cl_import->imp_target_uuid.uuid,
strlen(sbi2mdc(sbi)->cl_import->imp_target_uuid.uuid));
sb->s_dev = devno;
sb->s_op = &lustre_super_operations;
- /* make root inode
+ /* make root inode
* XXX: move this to after cbd setup? */
err = mdc_getattr(sbi->ll_mdc_exp, &rootfid,
OBD_MD_FLNOTOBD|OBD_MD_FLBLOCKS, 0, &request);
GOTO(out_root, err);
}
+ /* making vm readahead 0 for 2.4.x. In the case of 2.6.x,
+ backing dev info assigned to inode mapping is used for
+ determining maximal readahead. */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
+ /* bug 2805 - set VM readahead to zero */
+ vm_max_readahead = vm_min_readahead = 0;
+#endif
+
sb->s_root = d_alloc_root(root);
RETURN(err);
RETURN(err);
} /* ll_read_super */
-void ll_put_super(struct super_block *sb)
-{
- ENTRY;
-
- CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
-
- lustre_common_put_super(sb);
-
- lustre_free_sbi(sb);
-
- EXIT;
-} /* ll_put_super */
-
int lustre_process_log(struct lustre_mount_data *lmd, char * profile,
struct config_llog_instance *cfg, int allow_recov)
{
int err;
ENTRY;
+ if (lmd_bad_magic(lmd))
+ RETURN(-EINVAL);
+
generate_random_uuid(uuid);
class_uuid_unparse(uuid, &mdc_uuid);
PCFG_INIT(pcfg, NAL_CMD_REGISTER_MYNID);
pcfg.pcfg_nal = lmd->lmd_nal;
pcfg.pcfg_nid = lmd->lmd_local_nid;
- err = kportal_nal_cmd(&pcfg);
+ err = libcfs_nal_cmd(&pcfg);
if (err <0)
GOTO(out, err);
}
pcfg.pcfg_misc = lmd->lmd_port;
pcfg.pcfg_size = 8388608;
pcfg.pcfg_flags = 0x4; /*share*/
- err = kportal_nal_cmd(&pcfg);
+ err = libcfs_nal_cmd(&pcfg);
if (err <0)
GOTO(out, err);
}
err = class_process_config(&lcfg);
if (err < 0)
GOTO(out_detach, err);
-
+
obd = class_name2obd(name);
if (obd == NULL)
GOTO(out_cleanup, err = -EINVAL);
/* Disable initial recovery on this import */
- err = obd_set_info(obd->obd_self_export,
- strlen("initial_recov"), "initial_recov",
+ err = obd_set_info(obd->obd_self_export,
+ strlen("initial_recov"), "initial_recov",
sizeof(allow_recov), &allow_recov);
if (err)
GOTO(out_cleanup, err);
CERROR("cannot connect to %s: rc = %d\n", lmd->lmd_mds, err);
GOTO(out_cleanup, err);
}
-
+
exp = class_conn2export(&mdc_conn);
-
+
ctxt = llog_get_context(exp->exp_obd, LLOG_CONFIG_REPL_CTXT);
+#if 1
rc = class_config_parse_llog(ctxt, profile, cfg);
+#else
+ /*
+ * For debugging, it's useful to just dump the log
+ */
+ rc = class_config_dump_llog(ctxt, profile, cfg);
+#endif
if (rc) {
CERROR("class_config_parse_llog failed: rc = %d\n", rc);
}
pcfg.pcfg_nid = lmd->lmd_server_nid;
pcfg.pcfg_id = lmd->lmd_server_ipaddr;
pcfg.pcfg_flags = 1; /*share*/
- err = kportal_nal_cmd(&pcfg);
+ err = libcfs_nal_cmd(&pcfg);
if (err <0)
GOTO(out, err);
}
out:
if (rc == 0)
rc = err;
-
+
RETURN(rc);
}
ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
+ if (lmd_bad_magic(lmd))
+ RETURN(-EINVAL);
+
sbi = lustre_init_sbi(sb);
if (!sbi)
RETURN(-ENOMEM);
struct config_llog_instance cfg;
int len;
- if (!lmd->lmd_mds) {
+ if (lmd->lmd_mds[0] == '\0') {
CERROR("no mds name\n");
GOTO(out_free, err = -EINVAL);
}
OBD_ALLOC(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
- if (sbi->ll_lmd == NULL)
+ if (sbi->ll_lmd == NULL)
GOTO(out_free, err = -ENOMEM);
memcpy(sbi->ll_lmd, lmd, sizeof(*lmd));
/* generate a string unique to this super, let's try
the address of the super itself.*/
- len = (sizeof(sb) * 2) + 1;
+ len = (sizeof(sb) * 2) + 1;
OBD_ALLOC(sbi->ll_instance, len);
- if (sbi->ll_instance == NULL)
+ if (sbi->ll_instance == NULL)
GOTO(out_free, err = -ENOMEM);
sprintf(sbi->ll_instance, "%p", sb);
cfg.cfg_instance = sbi->ll_instance;
cfg.cfg_uuid = sbi->ll_sb_uuid;
cfg.cfg_local_nid = lmd->lmd_local_nid;
- err = lustre_process_log(lmd, lmd->lmd_profile, &cfg, 1);
+ err = lustre_process_log(lmd, lmd->lmd_profile, &cfg, 0);
if (err < 0) {
CERROR("Unable to process log: %s\n", lmd->lmd_profile);
}
if (osc)
OBD_FREE(osc, strlen(osc) + 1);
- OBD_ALLOC(osc, strlen(lprof->lp_osc) +
+ OBD_ALLOC(osc, strlen(lprof->lp_osc) +
strlen(sbi->ll_instance) + 2);
sprintf(osc, "%s-%s", lprof->lp_osc, sbi->ll_instance);
if (mdc)
OBD_FREE(mdc, strlen(mdc) + 1);
- OBD_ALLOC(mdc, strlen(lprof->lp_mdc) +
+ OBD_ALLOC(mdc, strlen(lprof->lp_mdc) +
strlen(sbi->ll_instance) + 2);
sprintf(mdc, "%s-%s", lprof->lp_mdc, sbi->ll_instance);
}
CERROR("no mdc\n");
GOTO(out_free, err = -EINVAL);
}
-
+
err = lustre_common_fill_super(sb, mdc, osc);
-
+
if (err)
GOTO(out_free, err);
OBD_ALLOC(cln_prof, len);
sprintf(cln_prof, "%s-clean", sbi->ll_lmd->lmd_profile);
- err = lustre_process_log(sbi->ll_lmd, cln_prof, &cfg,
+ err = lustre_process_log(sbi->ll_lmd, cln_prof, &cfg,
0);
- if (err < 0)
+ if (err < 0)
CERROR("Unable to process log: %s\n", cln_prof);
OBD_FREE(cln_prof, len);
OBD_FREE(sbi->ll_instance, strlen(sbi->ll_instance)+ 1);
goto out_dev;
} /* lustre_fill_super */
-static void lustre_manual_cleanup(struct ll_sb_info *sbi)
+static void lustre_manual_cleanup(struct ll_sb_info *sbi)
{
struct lustre_cfg lcfg;
struct obd_device *obd;
- int next = 0;
+ int next = 0;
while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL)
{
}
}
- if (sbi->ll_lmd != NULL)
+ if (sbi->ll_lmd != NULL)
class_del_profile(sbi->ll_lmd->lmd_profile);
}
if (obd)
force_umount = obd->obd_no_recov;
obd = NULL;
-
+
lustre_common_put_super(sb);
if (sbi->ll_lmd != NULL) {
/* from sys_utime() */
if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) {
if (current->fsuid != inode->i_uid &&
- (rc = ll_permission(inode, MAY_WRITE, NULL)) != 0)
+ (rc=ll_permission(inode,MAY_WRITE,NULL))!=0)
RETURN(rc);
} else {
- /* from inode_change_ok() */
- if (current->fsuid != inode->i_uid &&
- !capable(CAP_FOWNER))
- RETURN(-EPERM);
+ /* from inode_change_ok() */
+ if (current->fsuid != inode->i_uid &&
+ !capable(CAP_FOWNER))
+ RETURN(-EPERM);
}
}
* If we don't we can race with other i_size updaters on our node, like
* ll_file_read. We can also race with i_size propogation to other
* nodes through dirtying and writeback of final cached pages. This
- * last one is especially bad for racing o_append users on other
+ * last one is especially bad for racing o_append users on other
* nodes. */
if (ia_valid & ATTR_SIZE) {
- struct ldlm_extent extent = { .start = attr->ia_size,
- .end = OBD_OBJECT_EOF };
+ ldlm_policy_data_t policy = { .l_extent = {attr->ia_size,
+ OBD_OBJECT_EOF } };
struct lustre_handle lockh = { 0 };
int err, ast_flags = 0;
/* XXX when we fix the AST intents to pass the discard-range
/* bug 1639: avoid write/truncate i_sem/DLM deadlock */
LASSERT(atomic_read(&inode->i_sem.count) <= 0);
up(&inode->i_sem);
- rc = ll_extent_lock_no_validate(NULL, inode, lsm, LCK_PW,
- &extent, &lockh, ast_flags);
+ rc = ll_extent_lock(NULL, inode, lsm, LCK_PW, &policy, &lockh,
+ ast_flags);
down(&inode->i_sem);
if (rc != ELDLM_OK)
RETURN(rc);
rc = vmtruncate(inode, attr->ia_size);
- if (rc == 0)
- set_bit(LLI_F_HAVE_OST_SIZE_LOCK,
- &ll_i2info(inode)->lli_flags);
-
- //ll_try_done_writing(inode);
+ /* We need to drop the semaphore here, because this unlock may
+ * result in a cancellation, which will need the i_sem */
+ up(&inode->i_sem);
/* unlock now as we don't mind others file lockers racing with
* the mds updates below? */
err = ll_extent_unlock(NULL, inode, lsm, LCK_PW, &lockh);
+ down(&inode->i_sem);
if (err) {
CERROR("ll_extent_unlock failed: %d\n", err);
if (!rc)
RETURN(rc);
}
+ osfs->os_type = sb->s_magic;
+
CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files);
LBUG();
}
}
+ /* bug 2844 - limit i_blksize for broken user-space apps */
+ LASSERTF(lsm->lsm_xfersize != 0, "%lu\n", lsm->lsm_xfersize);
+ inode->i_blksize = min(lsm->lsm_xfersize, LL_MAX_BLKSIZE);
if (lli->lli_smd != lsm)
obd_free_memmd(ll_i2obdexp(inode), &lsm);
}
set_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &lli->lli_flags);
}
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+static struct backing_dev_info ll_backing_dev_info = {
+ .ra_pages = 0, /* No readahead */
+ .memory_backed = 0, /* Does contribute to dirty memory */
+};
+#endif
+
void ll_read_inode2(struct inode *inode, void *opaque)
{
struct lustre_md *md = opaque;
EXIT;
} else {
inode->i_op = &ll_special_inode_operations;
+
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
init_special_inode(inode, inode->i_mode,
kdev_t_to_nr(inode->i_rdev));
+
+ /* initializing backing dev info. */
+ inode->i_mapping->backing_dev_info = &ll_backing_dev_info;
#else
init_special_inode(inode, inode->i_mode, inode->i_rdev);
#endif
+ lli->ll_save_ifop = inode->i_fop;
+
+ if (S_ISCHR(inode->i_mode))
+ inode->i_fop = &ll_special_chr_inode_fops;
+ else if (S_ISBLK(inode->i_mode))
+ inode->i_fop = &ll_special_blk_inode_fops;
+ else if (S_ISFIFO(inode->i_mode))
+ inode->i_fop = &ll_special_fifo_inode_fops;
+ else if (S_ISSOCK(inode->i_mode))
+ inode->i_fop = &ll_special_sock_inode_fops;
+
+ CWARN("saved %p, replaced with %p\n", lli->ll_save_ifop,
+ inode->i_fop);
+
+ if (lli->ll_save_ifop->owner) {
+ CWARN("%p has owner %p\n", lli->ll_save_ifop,
+ lli->ll_save_ifop->owner);
+ }
EXIT;
}
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff