#include <linux/quotaops.h>
#include <linux/version.h>
#include <libcfs/kp30.h>
-#include <linux/lustre_fsfilt.h>
-#include <linux/obd.h>
-#include <linux/obd_class.h>
+#include <lustre_fsfilt.h>
+#include <obd.h>
+#include <obd_class.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/lustre_compat25.h>
-#include <linux/lvfs.h>
+#include <lvfs.h>
#include "lvfs_internal.h"
-#include <linux/obd.h>
-#include <linux/lustre_lib.h>
-#include <linux/lustre_mds.h> /* for mds_grp_hash_entry */
+#include <obd.h>
+#include <lustre_lib.h>
+#include <lustre_quota.h>
atomic_t obd_memory;
int obd_memmax;
# define ASSERT_NOT_KERNEL_CTXT(msg) LASSERTF(!segment_eq(get_fs(), get_ds()),\
msg)
# define ASSERT_KERNEL_CTXT(msg) LASSERTF(segment_eq(get_fs(), get_ds()), msg)
-
#else
# define ASSERT_CTXT_MAGIC(magic) do {} while(0)
# define ASSERT_NOT_KERNEL_CTXT(msg) do {} while(0)
#endif
static void push_group_info(struct lvfs_run_ctxt *save,
- struct group_info *ginfo)
+ struct upcall_cache_entry *uce)
{
+ struct group_info *ginfo = uce ? uce->ue_group_info : NULL;
+
if (!ginfo) {
save->ngroups = current_ngroups;
current_ngroups = 0;
task_unlock(current);
#else
LASSERT(ginfo->ngroups <= NGROUPS);
+ LASSERT(current->ngroups <= NGROUPS_SMALL);
/* save old */
save->group_info.ngroups = current->ngroups;
if (current->ngroups)
memcpy(save->group_info.small_block, current->groups,
- current->ngroups);
+ current->ngroups * sizeof(gid_t));
/* push new */
current->ngroups = ginfo->ngroups;
if (ginfo->ngroups)
memcpy(current->groups, ginfo->small_block,
- current->ngroups);
+ current->ngroups * sizeof(gid_t));
#endif
}
}
static void pop_group_info(struct lvfs_run_ctxt *save,
- struct group_info *ginfo)
+ struct upcall_cache_entry *uce)
{
+ struct group_info *ginfo = uce ? uce->ue_group_info : NULL;
+
if (!ginfo) {
current_ngroups = save->ngroups;
} else {
current->group_info = save->group_info;
task_unlock(current);
#else
- current->ngroups = ginfo->ngroups;
+ current->ngroups = save->group_info.ngroups;
if (current->ngroups)
memcpy(current->groups, save->group_info.small_block,
- current->ngroups);
+ current->ngroups * sizeof(gid_t));
#endif
}
}
{
//ASSERT_NOT_KERNEL_CTXT("already in kernel context!\n");
ASSERT_CTXT_MAGIC(new_ctx->magic);
- LASSERT(save->magic != OBD_RUN_CTXT_MAGIC || save->pid != current->pid);
OBD_SET_CTXT_MAGIC(save);
- save->pid = current->pid;
/*
CDEBUG(D_INFO,
LASSERT(atomic_read(&new_ctx->pwd->d_count));
save->pwd = dget(current->fs->pwd);
save->pwdmnt = mntget(current->fs->pwdmnt);
- save->ngroups = current_ngroups;
save->luc.luc_umask = current->fs->umask;
LASSERT(save->pwd);
LASSERT(new_ctx->pwdmnt);
if (uc) {
- save->luc.luc_uid = current->uid;
- save->luc.luc_gid = current->gid;
save->luc.luc_fsuid = current->fsuid;
save->luc.luc_fsgid = current->fsgid;
save->luc.luc_cap = current->cap_effective;
- save->luc.luc_nid = current->user->nid;
-
- current->uid = uc->luc_uid;
- current->gid = uc->luc_gid;
+
current->fsuid = uc->luc_fsuid;
current->fsgid = uc->luc_fsgid;
current->cap_effective = uc->luc_cap;
- current->user->nid = uc->luc_nid;
-
- push_group_info(save, uc->luc_ginfo);
+ push_group_info(save, uc->luc_uce);
}
current->fs->umask = 0; /* umask already applied on client */
set_fs(new_ctx->fs);
- set_fs_pwd(current->fs, new_ctx->pwdmnt, new_ctx->pwd);
+ ll_set_fs_pwd(current->fs, new_ctx->pwdmnt, new_ctx->pwd);
/*
CDEBUG(D_INFO,
{
//printk("pc0");
ASSERT_CTXT_MAGIC(saved->magic);
- LASSERT(saved->pid == current->pid);
- saved->magic = 0;
- saved->pid = 0;
//printk("pc1");
ASSERT_KERNEL_CTXT("popping non-kernel context!\n");
atomic_read(¤t->fs->pwdmnt->mnt_count));
*/
- LASSERT(current->fs->pwd == new_ctx->pwd);
- LASSERT(current->fs->pwdmnt == new_ctx->pwdmnt);
+ LASSERTF(current->fs->pwd == new_ctx->pwd, "%p != %p\n",
+ current->fs->pwd, new_ctx->pwd);
+ LASSERTF(current->fs->pwdmnt == new_ctx->pwdmnt, "%p != %p\n",
+ current->fs->pwdmnt, new_ctx->pwdmnt);
set_fs(saved->fs);
- set_fs_pwd(current->fs, saved->pwdmnt, saved->pwd);
+ ll_set_fs_pwd(current->fs, saved->pwdmnt, saved->pwd);
dput(saved->pwd);
mntput(saved->pwdmnt);
current->fs->umask = saved->luc.luc_umask;
if (uc) {
- current->uid = saved->luc.luc_uid;
- current->gid = saved->luc.luc_gid;
current->fsuid = saved->luc.luc_fsuid;
current->fsgid = saved->luc.luc_fsgid;
current->cap_effective = saved->luc.luc_cap;
- current->user->nid = saved->luc.luc_nid;
- pop_group_info(saved, uc->luc_ginfo);
+ pop_group_info(saved, uc->luc_uce);
}
/*
/* Fixup directory permissions if necessary */
if (fix && (old_mode & S_IALLUGO) != (mode & S_IALLUGO)) {
- CWARN("fixing permissions on %s from %o to %o\n",
- name, old_mode, mode);
+ CDEBUG(D_CONFIG,
+ "fixing permissions on %s from %o to %o\n",
+ name, old_mode, mode);
dchild->d_inode->i_mode = (mode & S_IALLUGO) |
(old_mode & ~S_IALLUGO);
mark_inode_dirty(dchild->d_inode);
}
EXPORT_SYMBOL(simple_mkdir);
+/* utility to rename a file */
+int lustre_rename(struct dentry *dir, char *oldname, char *newname)
+{
+ struct dentry *dchild_old, *dchild_new;
+ int err = 0;
+ ENTRY;
+
+ ASSERT_KERNEL_CTXT("kernel doing rename outside kernel context\n");
+ CDEBUG(D_INODE, "renaming file %.*s to %.*s\n",
+ (int)strlen(oldname), oldname, (int)strlen(newname), newname);
+
+ dchild_old = ll_lookup_one_len(oldname, dir, strlen(oldname));
+ if (IS_ERR(dchild_old))
+ RETURN(PTR_ERR(dchild_old));
+
+ if (!dchild_old->d_inode)
+ GOTO(put_old, err = -ENOENT);
+
+ dchild_new = ll_lookup_one_len(newname, dir, strlen(newname));
+ if (IS_ERR(dchild_new))
+ GOTO(put_old, err = PTR_ERR(dchild_new));
+
+ err = vfs_rename(dir->d_inode, dchild_old, dir->d_inode, dchild_new);
+
+ dput(dchild_new);
+put_old:
+ dput(dchild_old);
+ RETURN(err);
+}
+EXPORT_SYMBOL(lustre_rename);
+
/*
* Read a file from within kernel context. Prior to calling this
* function we should already have done a push_ctxt().
}
EXPORT_SYMBOL(l_dentry_open);
+#ifdef HAVE_VFS_READDIR_U64_INO
+static int l_filldir(void *__buf, const char *name, int namlen, loff_t offset,
+ u64 ino, unsigned int d_type)
+#else
static int l_filldir(void *__buf, const char *name, int namlen, loff_t offset,
ino_t ino, unsigned int d_type)
+#endif
{
struct l_linux_dirent *dirent;
struct l_readdir_callback *buf = (struct l_readdir_callback *)__buf;
-
+
dirent = buf->lrc_dirent;
if (dirent)
- dirent->lld_off = offset;
+ dirent->lld_off = offset;
OBD_ALLOC(dirent, sizeof(*dirent));
+ if (!dirent)
+ return -ENOMEM;
+
list_add_tail(&dirent->lld_list, buf->lrc_list);
buf->lrc_dirent = dirent;
EXPORT_SYMBOL(obd_memory);
EXPORT_SYMBOL(obd_memmax);
-#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
-static spinlock_t obd_memlist_lock = SPIN_LOCK_UNLOCKED;
-static struct hlist_head *obd_memtable;
-static unsigned long obd_memtable_size;
-
-static int lvfs_memdbg_init(int size)
-{
- struct hlist_head *head;
- int i;
-
- LASSERT(size > sizeof(sizeof(struct hlist_head)));
- obd_memtable_size = size / sizeof(struct hlist_head);
-
- CWARN("allocating %lu malloc entries...\n",
- (unsigned long)obd_memtable_size);
-
- obd_memtable = kmalloc(size, GFP_KERNEL);
- if (!obd_memtable)
- return -ENOMEM;
-
- i = obd_memtable_size;
- head = obd_memtable;
- do {
- INIT_HLIST_HEAD(head);
- head++;
- i--;
- } while(i);
+#ifdef LUSTRE_KERNEL_VERSION
+#ifndef HAVE_CLEAR_RDONLY_ON_PUT
+#error rdonly patchset must be updated [cfs bz11248]
+#endif
- return 0;
-}
+void dev_set_rdonly(lvfs_sbdev_type dev);
+int dev_check_rdonly(lvfs_sbdev_type dev);
-static int lvfs_memdbg_cleanup(void)
+void __lvfs_set_rdonly(lvfs_sbdev_type dev, lvfs_sbdev_type jdev)
{
- struct hlist_node *node = NULL, *tmp = NULL;
- struct hlist_head *head;
- struct mem_track *mt;
- int i;
-
- spin_lock(&obd_memlist_lock);
- for (i = 0, head = obd_memtable; i < obd_memtable_size; i++, head++) {
- hlist_for_each_safe(node, tmp, head) {
- mt = hlist_entry(node, struct mem_track, m_hash);
- hlist_del_init(&mt->m_hash);
- kfree(mt);
- }
+ lvfs_sbdev_sync(dev);
+ if (jdev && (jdev != dev)) {
+ CDEBUG(D_IOCTL | D_HA, "set journal dev %lx rdonly\n",
+ (long)jdev);
+ dev_set_rdonly(jdev);
}
- spin_unlock(&obd_memlist_lock);
- kfree(obd_memtable);
- return 0;
-}
-
-static inline unsigned long const hashfn(void *ptr)
-{
- return (unsigned long)ptr &
- (obd_memtable_size - 1);
+ CDEBUG(D_IOCTL | D_HA, "set dev %lx rdonly\n", (long)dev);
+ dev_set_rdonly(dev);
}
-static void __lvfs_memdbg_insert(struct mem_track *mt)
+int lvfs_check_rdonly(lvfs_sbdev_type dev)
{
- struct hlist_head *head = obd_memtable +
- hashfn(mt->m_ptr);
- hlist_add_head(&mt->m_hash, head);
+ return dev_check_rdonly(dev);
}
-void lvfs_memdbg_insert(struct mem_track *mt)
-{
- spin_lock(&obd_memlist_lock);
- __lvfs_memdbg_insert(mt);
- spin_unlock(&obd_memlist_lock);
-}
-EXPORT_SYMBOL(lvfs_memdbg_insert);
-
-static void __lvfs_memdbg_remove(struct mem_track *mt)
-{
- hlist_del_init(&mt->m_hash);
-}
+EXPORT_SYMBOL(__lvfs_set_rdonly);
+EXPORT_SYMBOL(lvfs_check_rdonly);
+#endif /* LUSTRE_KERNEL_VERSION */
-void lvfs_memdbg_remove(struct mem_track *mt)
+int lvfs_check_io_health(struct obd_device *obd, struct file *file)
{
- spin_lock(&obd_memlist_lock);
- __lvfs_memdbg_remove(mt);
- spin_unlock(&obd_memlist_lock);
-}
-EXPORT_SYMBOL(lvfs_memdbg_remove);
-
-static struct mem_track *__lvfs_memdbg_find(void *ptr)
-{
- struct hlist_node *node = NULL;
- struct mem_track *mt = NULL;
- struct hlist_head *head;
-
- head = obd_memtable + hashfn(ptr);
-
- hlist_for_each(node, head) {
- mt = hlist_entry(node, struct mem_track, m_hash);
- if ((unsigned long)mt->m_ptr == (unsigned long)ptr)
- break;
- mt = NULL;
- }
- return mt;
-}
-
-struct mem_track *lvfs_memdbg_find(void *ptr)
-{
- struct mem_track *mt;
+ char *write_page = NULL;
+ loff_t offset = 0;
+ int rc = 0;
+ ENTRY;
- spin_lock(&obd_memlist_lock);
- mt = __lvfs_memdbg_find(ptr);
- spin_unlock(&obd_memlist_lock);
+ OBD_ALLOC(write_page, CFS_PAGE_SIZE);
+ if (!write_page)
+ RETURN(-ENOMEM);
- return mt;
-}
-EXPORT_SYMBOL(lvfs_memdbg_find);
+ rc = fsfilt_write_record(obd, file, write_page, CFS_PAGE_SIZE, &offset, 1);
+
+ OBD_FREE(write_page, CFS_PAGE_SIZE);
-int lvfs_memdbg_check_insert(struct mem_track *mt)
-{
- spin_lock(&obd_memlist_lock);
- if (!__lvfs_memdbg_find(mt->m_ptr)) {
- __lvfs_memdbg_insert(mt);
- spin_unlock(&obd_memlist_lock);
- return 1;
- }
- spin_unlock(&obd_memlist_lock);
- return 0;
+ CDEBUG(D_INFO, "write 1 page synchronously for checking io rc %d\n",rc);
+ RETURN(rc);
}
-EXPORT_SYMBOL(lvfs_memdbg_check_insert);
-
-struct mem_track *
-lvfs_memdbg_check_remove(void *ptr)
-{
- struct mem_track *mt;
-
- spin_lock(&obd_memlist_lock);
- mt = __lvfs_memdbg_find(ptr);
- if (mt) {
- __lvfs_memdbg_remove(mt);
- spin_unlock(&obd_memlist_lock);
- return mt;
- }
- spin_unlock(&obd_memlist_lock);
- return NULL;
-}
-EXPORT_SYMBOL(lvfs_memdbg_check_remove);
-#endif
-
-void lvfs_memdbg_show(void)
-{
-#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
- struct hlist_node *node = NULL;
- struct hlist_head *head;
- struct mem_track *mt;
-#endif
- int leaked;
-
-#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
- int i;
-#endif
-
- leaked = atomic_read(&obd_memory);
-
- if (leaked > 0) {
- CWARN("memory leaks detected (max %d, leaked %d)\n",
- obd_memmax, leaked);
-
-#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
- spin_lock(&obd_memlist_lock);
- for (i = 0, head = obd_memtable; i < obd_memtable_size; i++, head++) {
- hlist_for_each(node, head) {
- mt = hlist_entry(node, struct mem_track, m_hash);
- CWARN(" [%s] ptr: 0x%p, size: %d, src at \"%s\"\n",
- ((mt->m_flags & MT_FLAGS_WRONG_SIZE) ?
- "wrong ck size" : "leaked memory"),
- mt->m_ptr, mt->m_size, mt->m_loc);
- }
- }
- spin_unlock(&obd_memlist_lock);
-#endif
- /* remove for production */
- portals_debug_dumplog();
- }
-}
-EXPORT_SYMBOL(lvfs_memdbg_show);
+EXPORT_SYMBOL(lvfs_check_io_health);
static int __init lvfs_linux_init(void)
{
- ENTRY;
-#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
- lvfs_memdbg_init(PAGE_SIZE);
-#endif
- lvfs_mount_list_init();
RETURN(0);
}
static void __exit lvfs_linux_exit(void)
{
+ int leaked;
ENTRY;
- lvfs_mount_list_cleanup();
- lvfs_memdbg_show();
+ leaked = atomic_read(&obd_memory);
+ CDEBUG(leaked ? D_ERROR : D_INFO,
+ "obd mem max: %d leaked: %d\n", obd_memmax, leaked);
-#if defined (CONFIG_DEBUG_MEMORY) && defined(__KERNEL__)
- lvfs_memdbg_cleanup();
-#endif
EXIT;
return;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff