#include <linux/lprocfs_status.h>
#include "llite_internal.h"
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-#include <asm/statfs.h>
-kmem_cache_t *ll_file_data_slab;
-extern struct address_space_operations ll_aops;
-extern struct address_space_operations ll_dir_aops;
-struct super_operations ll_super_operations;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
-/* /proc/lustre/llite root that tracks llite mount points */
-struct proc_dir_entry *proc_lustre_fs_root = NULL;
-/* lproc_llite.c */
-extern int lprocfs_register_mountpoint(struct proc_dir_entry *parent,
- struct super_block *sb,
- char *osc, char *mdc);
-
-extern int ll_init_inodecache(void);
-extern void ll_destroy_inodecache(void);
-extern int ll_recover(struct recovd_data *, int);
-extern int ll_commitcbd_setup(struct ll_sb_info *);
-extern int ll_commitcbd_cleanup(struct ll_sb_info *);
-int ll_read_inode2(struct inode *inode, void *opaque);
-
-extern int ll_proc_namespace(struct super_block* sb, char* osc, char* mdc);
-
-static char *ll_read_opt(const char *opt, char *data)
-{
- char *value;
- char *retval;
- ENTRY;
-
- CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
- if (strncmp(opt, data, strlen(opt)))
- RETURN(NULL);
- if ((value = strchr(data, '=')) == NULL)
- RETURN(NULL);
-
- value++;
- OBD_ALLOC(retval, strlen(value) + 1);
- if (!retval) {
- CERROR("out of memory!\n");
- RETURN(NULL);
- }
-
- memcpy(retval, value, strlen(value)+1);
- CDEBUG(D_SUPER, "Assigned option: %s, value %s\n", opt, retval);
- RETURN(retval);
-}
-
-static int ll_set_opt(const char *opt, char *data, int fl)
-{
- ENTRY;
-
- CDEBUG(D_SUPER, "option: %s, data %s\n", opt, data);
- if (strncmp(opt, data, strlen(opt)))
- RETURN(0);
- else
- RETURN(fl);
-}
-
-static void ll_options(char *options, char **ost, char **mds, int *flags)
-{
- char *opt_ptr = options;
- char *this_char;
- ENTRY;
-
- if (!options) {
- EXIT;
- return;
- }
-
- while ((this_char = strsep (&opt_ptr, ",")) != NULL) {
- CDEBUG(D_SUPER, "this_char %s\n", this_char);
- if ((!*ost && (*ost = ll_read_opt("osc", this_char)))||
- (!*mds && (*mds = ll_read_opt("mdc", this_char)))||
- (!(*flags & LL_SBI_NOLCK) &&
- ((*flags) = (*flags) |
- ll_set_opt("nolock", this_char, LL_SBI_NOLCK))))
- continue;
- }
- EXIT;
-}
-
-#ifndef log2
-#define log2(n) ffz(~(n))
-#endif
-
-
-static int ll_fill_super(struct super_block *sb, void *data, int silent)
-{
- struct inode *root = 0;
- struct obd_device *obd;
- struct ll_sb_info *sbi;
- char *osc = NULL;
- char *mdc = NULL;
- int err;
- struct ll_fid rootfid;
- struct obd_statfs osfs;
- struct ptlrpc_request *request = NULL;
- struct ptlrpc_connection *mdc_conn;
- struct ll_read_inode2_cookie lic;
- class_uuid_t uuid;
-
- ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:\n");
-
- OBD_ALLOC(sbi, sizeof(*sbi));
- if (!sbi)
- RETURN(-ENOMEM);
-
- INIT_LIST_HEAD(&sbi->ll_conn_chain);
- INIT_LIST_HEAD(&sbi->ll_orphan_dentry_list);
- generate_random_uuid(uuid);
- class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
-
- sb->s_fs_info = sbi;
-
- ll_options(data, &osc, &mdc, &sbi->ll_flags);
-
- if (!osc) {
- CERROR("no osc\n");
- GOTO(out_free, sb = NULL);
- }
-
- if (!mdc) {
- CERROR("no mdc\n");
- GOTO(out_free, sb = NULL);
- }
-
- obd = class_name2obd(mdc);
- if (!obd) {
- CERROR("MDC %s: not setup or attached\n", mdc);
- GOTO(out_free, sb = NULL);
- }
-
- err = obd_connect(&sbi->ll_mdc_conn, obd, &sbi->ll_sb_uuid);
- if (err) {
- CERROR("cannot connect to %s: rc = %d\n", mdc, err);
- GOTO(out_free, sb = NULL);
- }
-
- mdc_conn = sbi2mdc(sbi)->cl_import->imp_connection;
-
- obd = class_name2obd(osc);
- if (!obd) {
- CERROR("OSC %s: not setup or attached\n", osc);
- GOTO(out_mdc, sb = NULL);
- }
-
- err = obd_connect(&sbi->ll_osc_conn, obd, &sbi->ll_sb_uuid);
- if (err) {
- CERROR("cannot connect to %s: rc = %d\n", osc, err);
- GOTO(out_mdc, sb = NULL);
- }
-
- err = mdc_getstatus(&sbi->ll_mdc_conn, &rootfid);
- if (err) {
- CERROR("cannot mds_connect: rc = %d\n", err);
- GOTO(out_osc, sb = NULL);
- }
- CDEBUG(D_SUPER, "rootfid "LPU64"\n", rootfid.id);
- sbi->ll_rootino = rootfid.id;
-
- memset(&osfs, 0, sizeof(osfs));
- err = obd_statfs(&sbi->ll_mdc_conn, &osfs);
- sb->s_blocksize = osfs.os_bsize;
- sb->s_blocksize_bits = log2(osfs.os_bsize);
- sb->s_magic = LL_SUPER_MAGIC;
- sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
-
- sb->s_op = &ll_super_operations;
-
- /* make root inode
- * XXX: move this to after cbd setup? */
- err = mdc_getattr(&sbi->ll_mdc_conn, &rootfid,
- OBD_MD_FLNOTOBD|OBD_MD_FLBLOCKS, 0, &request);
- if (err) {
- CERROR("mdc_getattr failed for root: rc = %d\n", err);
- GOTO(out_osc, sb = NULL);
- }
-
- /* initialize committed transaction callback daemon */
- spin_lock_init(&sbi->ll_commitcbd_lock);
- init_waitqueue_head(&sbi->ll_commitcbd_waitq);
- init_waitqueue_head(&sbi->ll_commitcbd_ctl_waitq);
- sbi->ll_commitcbd_flags = 0;
- err = ll_commitcbd_setup(sbi);
- if (err) {
- CERROR("failed to start commit callback daemon: rc = %d\n",err);
- ptlrpc_req_finished (request);
- GOTO(out_osc, sb = NULL);
- }
-
- lic.lic_body = lustre_msg_buf(request->rq_repmsg, 0, sizeof (*lic.lic_body));
- LASSERT (lic.lic_body != NULL); /* checked by mdc_getattr() */
- LASSERT_REPSWABBED (request, 0); /* swabbed by mdc_getattr() */
-
- lic.lic_lsm = NULL;
-
- root = iget5_locked(sb, sbi->ll_rootino, NULL,
- ll_read_inode2, &lic);
-
- ptlrpc_req_finished(request);
-
- if (root == NULL || is_bad_inode(root)) {
- /* XXX might need iput() for bad inode */
- CERROR("lustre_lite: bad iget5 for root\n");
- GOTO(out_cbd, sb = NULL);
- }
-
- sb->s_root = d_alloc_root(root);
- root->i_state &= ~(I_LOCK | I_NEW);
- printk("AMRUT 1\n");
- if (proc_lustre_fs_root) {
- err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb,
- osc, mdc);
- if (err < 0)
- CERROR("could not register mount in /proc/lustre");
- }
-
-out_dev:
- if (mdc)
- OBD_FREE(mdc, strlen(mdc) + 1);
- if (osc)
- OBD_FREE(osc, strlen(osc) + 1);
- printk("AMRUT 2\n");
-
- RETURN(0);
-
-out_cbd:
- ll_commitcbd_cleanup(sbi);
-out_osc:
- obd_disconnect(&sbi->ll_osc_conn, 0);
-out_mdc:
- obd_disconnect(&sbi->ll_mdc_conn, 0);
-out_free:
- lprocfs_unregister_mountpoint(sbi);
- OBD_FREE(sbi, sizeof(*sbi));
-
- goto out_dev;
-} /* ll_fill_super */
-
-
-int ll_setattr_raw(struct inode *inode, struct iattr *attr)
-{
- struct ptlrpc_request *request = NULL;
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct mdc_op_data op_data;
- int err = 0;
- ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", inode->i_ino);
-
- LPROC_COUNTER_INODE_INCBY1(inode, LPROC_LL_SETATTR);
- if ((attr->ia_valid & ATTR_SIZE)) {
- /* writeback uses inode->i_size to determine how far out
- * its cached pages go. ll_truncate gets a PW lock, canceling
- * our lock, _after_ it has updated i_size. this can confuse
- * us into zero extending the file to the newly truncated
- * size, and this has bad implications for a racing o_append.
- * if we're extending our size we need to flush the pages
- * with the correct i_size before vmtruncate stomps on
- * the new i_size. again, this can only find pages to
- * purge if the PW lock that generated them is still held.
- */
- if ( attr->ia_size > inode->i_size ) {
- filemap_fdatasync(inode->i_mapping);
- filemap_fdatawait(inode->i_mapping);
- }
- err = vmtruncate(inode, attr->ia_size);
- if (err)
- RETURN(err);
- }
-
- /* Don't send size changes to MDS to avoid "fast EA" problems, and
- * also avoid a pointless RPC (we get file size from OST anyways).
- */
- attr->ia_valid &= ~ATTR_SIZE;
- if (!attr->ia_valid)
- RETURN(0);
-
- ll_prepare_mdc_op_data(&op_data, inode, NULL, NULL, 0, 0);
-
- err = mdc_setattr(&sbi->ll_mdc_conn, &op_data,
- attr, NULL, 0, &request);
- if (err)
- CERROR("mdc_setattr fails: err = %d\n", err);
-
- ptlrpc_req_finished(request);
-
- if (S_ISREG(inode->i_mode) && attr->ia_valid & ATTR_MTIME_SET) {
- struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
- struct obdo oa;
- int err2;
-
- CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
- inode->i_ino, attr->ia_mtime);
- oa.o_id = lsm->lsm_object_id;
- oa.o_mode = S_IFREG;
- oa.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMTIME;
- oa.o_mtime = LTIME_S(attr->ia_mtime);
- err2 = obd_setattr(&sbi->ll_osc_conn, &oa, lsm, NULL);
- if (err2) {
- CERROR("obd_setattr fails: rc=%d\n", err);
- if (!err)
- err = err2;
- }
- }
- RETURN(err);
-}
struct super_block * ll_get_sb(struct file_system_type *fs_type,
- int flags, char *devname, void * data)
+ int flags, const char *devname, void * data)
{
+ /* calls back in fill super */
return get_sb_nodev(fs_type, flags, data, ll_fill_super);
}
-static void ll_put_super(struct super_block *sb)
-{
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct list_head *tmp, *next;
- struct ll_fid rootfid;
- ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:\n");
-
- list_del(&sbi->ll_conn_chain);
- ll_commitcbd_cleanup(sbi);
- obd_disconnect(&sbi->ll_osc_conn, 0);
-
- /* NULL request to force sync on the MDS, and get the last_committed
- * value to flush remaining RPCs from the pending queue on client.
- *
- * XXX This should be an mdc_sync() call to sync the whole MDS fs,
- * which we can call for other reasons as well.
- */
- mdc_getstatus(&sbi->ll_mdc_conn, &rootfid);
-
- lprocfs_unregister_mountpoint(sbi);
- if (sbi->ll_proc_root) {
- lprocfs_remove(sbi->ll_proc_root);
- sbi->ll_proc_root = NULL;
- }
-
- obd_disconnect(&sbi->ll_mdc_conn, 0);
-
- spin_lock(&dcache_lock);
- list_for_each_safe(tmp, next, &sbi->ll_orphan_dentry_list){
- struct dentry *dentry = list_entry(tmp, struct dentry, d_hash);
- shrink_dcache_parent(dentry);
- }
- spin_unlock(&dcache_lock);
-
- OBD_FREE(sbi, sizeof(*sbi));
-
- EXIT;
-} /* ll_put_super */
-
-static void ll_clear_inode(struct inode *inode)
-{
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- struct ll_inode_info *lli = ll_i2info(inode);
- int rc;
- ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", inode->i_ino);
-
-#warning "Is there a reason we don't do this in 2.5, but we do in 2.4?"
-#if 0
- rc = ll_mdc_cancel_unused(&sbi->ll_mdc_conn, inode, LDLM_FL_NO_CALLBACK);
- if (rc < 0) {
- CERROR("ll_mdc_cancel_unused: %d\n", rc);
- /* XXX FIXME do something dramatic */
- }
-
- if (lli->lli_smd) {
- rc = obd_cancel_unused(&sbi->ll_osc_conn, lli->lli_smd, 0);
- if (rc < 0) {
- CERROR("obd_cancel_unused: %d\n", rc);
- /* XXX FIXME do something dramatic */
- }
- }
-#endif
-
- if (atomic_read(&inode->i_count) != 0)
- CERROR("clearing in-use inode %lu: count = %d\n",
- inode->i_ino, atomic_read(&inode->i_count));
-
- if (lli->lli_smd) {
- obd_free_memmd(&sbi->ll_osc_conn, &lli->lli_smd);
- lli->lli_smd = NULL;
- }
-
- if (lli->lli_symlink_name) {
- OBD_FREE(lli->lli_symlink_name,strlen(lli->lli_symlink_name)+1);
- lli->lli_symlink_name = NULL;
- }
-
- EXIT;
-}
-
-#if 0
-static void ll_delete_inode(struct inode *inode)
-{
- ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", inode->i_ino);
- if (S_ISREG(inode->i_mode)) {
- int err;
- struct obdo *oa;
- struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
-
- /* mcreate with no open */
- if (!lsm)
- GOTO(out, 0);
-
- if (lsm->lsm_object_id == 0) {
- CERROR("This really happens\n");
- /* No obdo was ever created */
- GOTO(out, 0);
- }
-
- oa = obdo_alloc();
- if (oa == NULL)
- GOTO(out, -ENOMEM);
-
- oa->o_id = lsm->lsm_object_id;
- oa->o_mode = inode->i_mode;
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE;
-
- err = obd_destroy(ll_i2obdconn(inode), oa, lsm);
- obdo_free(oa);
- if (err)
- CDEBUG(D_SUPER, "obd destroy objid "LPX64" error %d\n",
- lsm->lsm_object_id, err);
- }
-out:
- clear_inode(inode);
- EXIT;
-}
-#endif
-
-/* like inode_setattr, but doesn't mark the inode dirty */
-static int ll_attr2inode(struct inode * inode, struct iattr * attr, int trunc)
-{
- unsigned int ia_valid = attr->ia_valid;
- int error = 0;
-
- if ((ia_valid & ATTR_SIZE) && trunc) {
- if (attr->ia_size > ll_file_maxbytes(inode)) {
- error = -EFBIG;
- goto out;
- }
- error = vmtruncate(inode, attr->ia_size);
- if (error)
- goto out;
- } else if (ia_valid & ATTR_SIZE)
- inode->i_size = attr->ia_size;
-
- if (ia_valid & ATTR_UID)
- inode->i_uid = attr->ia_uid;
- if (ia_valid & ATTR_GID)
- inode->i_gid = attr->ia_gid;
- if (ia_valid & ATTR_ATIME)
- inode->i_atime = attr->ia_atime;
- if (ia_valid & ATTR_MTIME)
- inode->i_mtime = attr->ia_mtime;
- if (ia_valid & ATTR_CTIME)
- inode->i_ctime = attr->ia_ctime;
- if (ia_valid & ATTR_MODE) {
- inode->i_mode = attr->ia_mode;
- if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
- inode->i_mode &= ~S_ISGID;
- }
-out:
- return error;
-}
-
-int ll_inode_setattr(struct inode *inode, struct iattr *attr, int do_trunc)
-{
- struct ptlrpc_request *request = NULL;
- struct ll_sb_info *sbi = ll_i2sbi(inode);
- int err = 0;
-
- ENTRY;
-
- /* change incore inode */
- err = ll_attr2inode(inode, attr, do_trunc);
- if (err)
- RETURN(err);
-
- /* Don't send size changes to MDS to avoid "fast EA" problems, and
- * also avoid a pointless RPC (we get file size from OST anyways).
- */
- attr->ia_valid &= ~ATTR_SIZE;
- if (attr->ia_valid) {
- struct mdc_op_data op_data;
-
- ll_prepare_mdc_op_data(&op_data, inode, NULL, NULL, 0, 0);
-
- err = mdc_setattr(&sbi->ll_mdc_conn, &op_data,
- attr, NULL, 0, &request);
- if (err)
- CERROR("mdc_setattr fails: err = %d\n", err);
-
- ptlrpc_req_finished(request);
- if (S_ISREG(inode->i_mode) && attr->ia_valid & ATTR_MTIME_SET) {
- struct lov_stripe_md *lsm = ll_i2info(inode)->lli_smd;
- struct obdo oa;
- int err2;
-
- CDEBUG(D_ERROR, "setting mtime on OST\n");
- oa.o_id = lsm->lsm_object_id;
- oa.o_mode = S_IFREG;
- oa.o_valid = OBD_MD_FLID |OBD_MD_FLTYPE |OBD_MD_FLMTIME;
- oa.o_mtime = LTIME_S(attr->ia_mtime);
- err2 = obd_setattr(&sbi->ll_osc_conn, &oa, lsm, NULL);
- if (err2) {
- CERROR("obd_setattr fails: rc=%d\n", err);
- if (!err)
- err = err2;
- }
- }
- }
-
- RETURN(err);
-}
-
-int ll_setattr(struct dentry *de, struct iattr *attr)
-{
- int rc = inode_change_ok(de->d_inode, attr);
- CDEBUG(D_VFSTRACE, "VFS Op:name=%s\n", de->d_name.name);
- if (rc)
- return rc;
-
- LPROC_COUNTER_INODE_INCBY1((de->d_inode), LPROC_LL_SETATTR);
- return ll_inode_setattr(de->d_inode, attr, 1);
-}
-
-static int ll_statfs(struct super_block *sb, struct statfs *sfs)
-{
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct obd_statfs osfs;
- int rc;
- ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:\n");
-
- LPROC_COUNTER_SBI_INCBY1(sbi, LPROC_LL_STAFS);
- memset(sfs, 0, sizeof(*sfs));
- rc = obd_statfs(&sbi->ll_mdc_conn, &osfs);
- statfs_unpack(sfs, &osfs);
- if (rc)
- CERROR("mdc_statfs fails: rc = %d\n", rc);
- else
- CDEBUG(D_SUPER, "mdc_statfs shows blocks "LPU64"/"LPU64
- " objects "LPU64"/"LPU64"\n",
- osfs.os_bavail, osfs.os_blocks,
- osfs.os_ffree, osfs.os_files);
-
- /* temporary until mds_statfs returns statfs info for all OSTs */
- if (!rc) {
- rc = obd_statfs(&sbi->ll_osc_conn, &osfs);
- if (rc) {
- CERROR("obd_statfs fails: rc = %d\n", rc);
- GOTO(out, rc);
- }
- CDEBUG(D_SUPER, "obd_statfs shows blocks "LPU64"/"LPU64
- " objects "LPU64"/"LPU64"\n",
- osfs.os_bavail, osfs.os_blocks,
- osfs.os_ffree, osfs.os_files);
-
- while (osfs.os_blocks > ~0UL) {
- sfs->f_bsize <<= 1;
-
- osfs.os_blocks >>= 1;
- osfs.os_bfree >>= 1;
- osfs.os_bavail >>= 1;
- }
- sfs->f_blocks = osfs.os_blocks;
- sfs->f_bfree = osfs.os_bfree;
- sfs->f_bavail = osfs.os_bavail;
- if (osfs.os_ffree < (__u64)sfs->f_ffree) {
- sfs->f_files = (sfs->f_files - sfs->f_ffree) +
- osfs.os_ffree;
- sfs->f_ffree = osfs.os_ffree;
- }
- }
-
-out:
- RETURN(rc);
-}
-
-void ll_update_inode(struct inode *inode, struct mds_body *body,
- struct lov_stripe_md *lsm)
-{
- struct ll_inode_info *lli = ll_i2info(inode);
-
- LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
- if (lsm != NULL) {
- if (lli->lli_smd == NULL) {
- lli->lli_smd = lsm;
- lli->lli_maxbytes = lsm->lsm_maxbytes;
- if (lli->lli_maxbytes > PAGE_CACHE_MAXBYTES)
- lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
- } else {
- LASSERT (!memcmp (lli->lli_smd, lsm, sizeof (*lsm)));
- }
- }
-
- if (body->valid & OBD_MD_FLID)
- inode->i_ino = body->ino;
- if (body->valid & OBD_MD_FLATIME)
- LTIME_S(inode->i_atime) = body->atime;
- if (body->valid & OBD_MD_FLMTIME)
- LTIME_S(inode->i_mtime) = body->mtime;
- if (body->valid & OBD_MD_FLCTIME)
- LTIME_S(inode->i_ctime) = body->ctime;
- if (body->valid & OBD_MD_FLMODE)
- inode->i_mode = (inode->i_mode & S_IFMT)|(body->mode & ~S_IFMT);
- if (body->valid & OBD_MD_FLTYPE)
- inode->i_mode = (inode->i_mode & ~S_IFMT)|(body->mode & S_IFMT);
- if (body->valid & OBD_MD_FLUID)
- inode->i_uid = body->uid;
- if (body->valid & OBD_MD_FLGID)
- inode->i_gid = body->gid;
- if (body->valid & OBD_MD_FLFLAGS)
- inode->i_flags = body->flags;
- if (body->valid & OBD_MD_FLNLINK)
- inode->i_nlink = body->nlink;
- if (body->valid & OBD_MD_FLGENER)
- inode->i_generation = body->generation;
- if (body->valid & OBD_MD_FLRDEV)
- inode->i_rdev = to_kdev_t(body->rdev);
- if (body->valid & OBD_MD_FLSIZE)
- inode->i_size = body->size;
- if (body->valid & OBD_MD_FLBLOCKS)
- inode->i_blocks = body->blocks;
-}
-
-int ll_read_inode2(struct inode *inode, void *opaque)
-{
- struct ll_read_inode2_cookie *lic = opaque;
- struct mds_body *body = lic->lic_body;
- struct ll_inode_info *lli = ll_i2info(inode);
- int rc = 0;
- ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", inode->i_ino);
-
- sema_init(&lli->lli_open_sem, 1);
- /* these are 2.4 only, but putting them here for consistency.. */
- spin_lock_init(&lli->lli_read_extent_lock);
- INIT_LIST_HEAD(&lli->lli_read_extents);
- ll_lldo_init(&lli->lli_dirty);
- lli->lli_flags = 0;
- lli->lli_maxbytes = LUSTRE_STRIPE_MAXBYTES;
-
- LASSERT(!lli->lli_smd);
-
- /* core attributes first */
- ll_update_inode(inode, body, lic ? lic->lic_lsm : NULL);
-
- /* OIDEBUG(inode); */
-
- if (S_ISREG(inode->i_mode)) {
- inode->i_op = &ll_file_inode_operations;
- inode->i_fop = &ll_file_operations;
- inode->i_mapping->a_ops = &ll_aops;
- EXIT;
- } else if (S_ISDIR(inode->i_mode)) {
- inode->i_op = &ll_dir_inode_operations;
- inode->i_fop = &ll_dir_operations;
- inode->i_mapping->a_ops = &ll_dir_aops;
- EXIT;
- } else if (S_ISLNK(inode->i_mode)) {
- inode->i_op = &ll_fast_symlink_inode_operations;
- EXIT;
- } else {
- inode->i_op = &ll_special_inode_operations;
- init_special_inode(inode, inode->i_mode,
- kdev_t_to_nr(inode->i_rdev));
- EXIT;
- }
-
- return rc;
-}
-
-
-void ll_umount_begin(struct super_block *sb)
-{
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- struct obd_device *obd;
- struct obd_ioctl_data ioc_data = { 0 };
-
- ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:\n");
-
- obd = class_conn2obd(&sbi->ll_mdc_conn);
- obd->obd_no_recov = 1;
- obd_iocontrol(IOC_OSC_SET_ACTIVE, &sbi->ll_mdc_conn, sizeof ioc_data,
- &ioc_data, NULL);
-
- obd = class_conn2obd(&sbi->ll_osc_conn);
- obd->obd_no_recov = 1;
- obd_iocontrol(IOC_OSC_SET_ACTIVE, &sbi->ll_osc_conn, sizeof ioc_data,
- &ioc_data, NULL);
-
- /* Really, we'd like to wait until there are no requests outstanding,
- * and then continue. For now, we just invalidate the requests,
- * schedule, and hope.
- */
- schedule();
-
- EXIT;
-}
-
static kmem_cache_t *ll_inode_cachep;
static struct inode *ll_alloc_inode(struct super_block *sb)
{
struct ll_inode_info *lli;
- LPROC_COUNTER_SBI_INCBY1((ll_s2sbi(sb)), LL_ALLOC_INODE);
+ lprocfs_counter_incr((ll_s2sbi(sb))->ll_stats, LPROC_LL_ALLOC_INODE);
OBD_SLAB_ALLOC(lli, ll_inode_cachep, SLAB_KERNEL, sizeof *lli);
if (lli == NULL)
return NULL;
- memset(lli, 0, (char *)&lli->lli_vfs_inode - (char *)lli);
- sema_init(&lli->lli_open_sem, 1);
- init_MUTEX(&lli->lli_size_valid_sem);
- lli->lli_maxbytes = LUSTRE_STRIPE_MAXBYTES;
+ inode_init_once(&lli->lli_vfs_inode);
+ ll_lli_init(lli);
return &lli->lli_vfs_inode;
}
static void ll_destroy_inode(struct inode *inode)
{
- OBD_SLAB_FREE(ll_inode_cachep, ll_i2info(inode),
- sizeof(struct ll_inode_info));
+ struct ll_inode_info *ptr = ll_i2info(inode);
+ OBD_SLAB_FREE(ptr, ll_inode_cachep, sizeof(*ptr));
}
static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags)
CERROR("ll_inode_cache: not all structures were freed\n");
}
-
-
/* exported operations */
struct super_operations ll_super_operations =
{
alloc_inode: ll_alloc_inode,
destroy_inode: ll_destroy_inode,
clear_inode: ll_clear_inode,
-// delete_inode: ll_delete_inode,
put_super: ll_put_super,
statfs: ll_statfs,
umount_begin: ll_umount_begin
git://git.whamcloud.com / fs / lustre-release.git / blobdiff