#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;
-
/* Debugging check only needed during development */
#ifdef OBD_CTXT_DEBUG
# define ASSERT_CTXT_MAGIC(magic) LASSERT((magic) == OBD_RUN_CTXT_MAGIC)
# 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,
- "= push %p->%p = cur fs %p pwd %p:d%d:i%d (%*s), pwdmnt %p:%d\n",
+ "= push %p->%p = cur fs %p pwd %p:d%d:i%d (%.*s), pwdmnt %p:%d\n",
save, current, current->fs, current->fs->pwd,
atomic_read(¤t->fs->pwd->d_count),
atomic_read(¤t->fs->pwd->d_inode->i_count),
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);
current->fsuid = uc->luc_fsuid;
current->fsgid = uc->luc_fsgid;
current->cap_effective = uc->luc_cap;
-
- 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,
- "= push %p->%p = cur fs %p pwd %p:d%d:i%d (%*s), pwdmnt %p:%d\n",
+ "= push %p->%p = cur fs %p pwd %p:d%d:i%d (%.*s), pwdmnt %p:%d\n",
new_ctx, current, current->fs, current->fs->pwd,
atomic_read(¤t->fs->pwd->d_count),
atomic_read(¤t->fs->pwd->d_inode->i_count),
{
//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");
/*
CDEBUG(D_INFO,
- " = pop %p==%p = cur %p pwd %p:d%d:i%d (%*s), pwdmnt %p:%d\n",
+ " = pop %p==%p = cur %p pwd %p:d%d:i%d (%.*s), pwdmnt %p:%d\n",
new_ctx, current, current->fs, current->fs->pwd,
atomic_read(¤t->fs->pwd->d_count),
atomic_read(¤t->fs->pwd->d_inode->i_count),
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->fsuid = saved->luc.luc_fsuid;
current->fsgid = saved->luc.luc_fsgid;
current->cap_effective = saved->luc.luc_cap;
-
- pop_group_info(saved, uc->luc_ginfo);
+ pop_group_info(saved, uc->luc_uce);
}
/*
CDEBUG(D_INFO,
- "= pop %p->%p = cur fs %p pwd %p:d%d:i%d (%*s), pwdmnt %p:%d\n",
+ "= pop %p->%p = cur fs %p pwd %p:d%d:i%d (%.*s), pwdmnt %p:%d\n",
saved, current, current->fs, current->fs->pwd,
atomic_read(¤t->fs->pwd->d_count),
atomic_read(¤t->fs->pwd->d_inode->i_count),
ENTRY;
ASSERT_KERNEL_CTXT("kernel doing mknod outside kernel context\n");
- CDEBUG(D_INODE, "creating file %*s\n", (int)strlen(name), name);
+ CDEBUG(D_INODE, "creating file %.*s\n", (int)strlen(name), name);
dchild = ll_lookup_one_len(name, dir, strlen(name));
if (IS_ERR(dchild))
ENTRY;
ASSERT_KERNEL_CTXT("kernel doing mkdir outside kernel context\n");
- CDEBUG(D_INODE, "creating directory %*s\n", (int)strlen(name), name);
+ CDEBUG(D_INODE, "creating directory %.*s\n", (int)strlen(name), name);
dchild = ll_lookup_one_len(name, dir, strlen(name));
if (IS_ERR(dchild))
GOTO(out_up, dchild);
if (dchild->d_inode) {
int old_mode = dchild->d_inode->i_mode;
- if (!S_ISDIR(old_mode))
+ if (!S_ISDIR(old_mode)) {
+ CERROR("found %s (%lu/%u) is mode %o\n", name,
+ dchild->d_inode->i_ino,
+ dchild->d_inode->i_generation, old_mode);
GOTO(out_err, err = -ENOTDIR);
+ }
/* 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);
+#ifdef LUSTRE_KERNEL_VERSION
+#ifndef HAVE_CLEAR_RDONLY_ON_PUT
+#error rdonly patchset must be updated [cfs bz11248]
+#endif
+
+void dev_set_rdonly(lvfs_sbdev_type dev);
+int dev_check_rdonly(lvfs_sbdev_type dev);
+
+void __lvfs_set_rdonly(lvfs_sbdev_type dev, lvfs_sbdev_type jdev)
+{
+ 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);
+ }
+ CDEBUG(D_IOCTL | D_HA, "set dev %lx rdonly\n", (long)dev);
+ dev_set_rdonly(dev);
+}
+
+int lvfs_check_rdonly(lvfs_sbdev_type dev)
+{
+ return dev_check_rdonly(dev);
+}
+
+EXPORT_SYMBOL(__lvfs_set_rdonly);
+EXPORT_SYMBOL(lvfs_check_rdonly);
+#endif /* LUSTRE_KERNEL_VERSION */
+
+int lvfs_check_io_health(struct obd_device *obd, struct file *file)
+{
+ char *write_page = NULL;
+ loff_t offset = 0;
+ int rc = 0;
+ ENTRY;
+
+ OBD_ALLOC(write_page, CFS_PAGE_SIZE);
+ if (!write_page)
+ RETURN(-ENOMEM);
+
+ rc = fsfilt_write_record(obd, file, write_page, CFS_PAGE_SIZE, &offset, 1);
+
+ OBD_FREE(write_page, CFS_PAGE_SIZE);
+
+ CDEBUG(D_INFO, "write 1 page synchronously for checking io rc %d\n",rc);
+ RETURN(rc);
+}
+EXPORT_SYMBOL(lvfs_check_io_health);
+
static int __init lvfs_linux_init(void)
{
RETURN(0);
CDEBUG(leaked ? D_ERROR : D_INFO,
"obd mem max: %d leaked: %d\n", obd_memmax, leaked);
+ EXIT;
return;
}