diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/llite')
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/Makefile | 3 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/dir.c | 29 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/file.c | 15 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/llite_internal.h | 88 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/llite_lib.c | 69 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/llite_rmtacl.c | 295 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/lproc_llite.c | 6 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/remote_perm.c | 320 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/super25.c | 19 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/xattr.c | 97 |
10 files changed, 18 insertions, 923 deletions
diff --git a/drivers/staging/lustre/lustre/llite/Makefile b/drivers/staging/lustre/lustre/llite/Makefile index 19701e7..2cbb1b8 100644 --- a/drivers/staging/lustre/lustre/llite/Makefile +++ b/drivers/staging/lustre/lustre/llite/Makefile @@ -1,8 +1,7 @@ obj-$(CONFIG_LUSTRE_FS) += lustre.o lustre-y := dcache.o dir.o file.o llite_close.o llite_lib.o llite_nfs.o \ rw.o namei.o symlink.o llite_mmap.o \ - xattr.o xattr_cache.o remote_perm.o llite_rmtacl.o \ - rw26.o super25.o statahead.o \ + xattr.o xattr_cache.o rw26.o super25.o statahead.o \ glimpse.o lcommon_cl.o lcommon_misc.o \ vvp_dev.o vvp_page.o vvp_lock.o vvp_io.o vvp_object.o vvp_req.o \ lproc_llite.o diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c index 99735f6..2f2c57e 100644 --- a/drivers/staging/lustre/lustre/llite/dir.c +++ b/drivers/staging/lustre/lustre/llite/dir.c @@ -1097,8 +1097,7 @@ static int quotactl_ioctl(struct ll_sb_info *sbi, struct if_quotactl *qctl) case Q_QUOTAOFF: case Q_SETQUOTA: case Q_SETINFO: - if (!capable(CFS_CAP_SYS_ADMIN) || - sbi->ll_flags & LL_SBI_RMT_CLIENT) + if (!capable(CFS_CAP_SYS_ADMIN)) return -EPERM; break; case Q_GETQUOTA: @@ -1106,8 +1105,7 @@ static int quotactl_ioctl(struct ll_sb_info *sbi, struct if_quotactl *qctl) !uid_eq(current_euid(), make_kuid(&init_user_ns, id))) || (type == GRPQUOTA && !in_egroup_p(make_kgid(&init_user_ns, id)))) && - (!capable(CFS_CAP_SYS_ADMIN) || - sbi->ll_flags & LL_SBI_RMT_CLIENT)) + !capable(CFS_CAP_SYS_ADMIN)) return -EPERM; break; case Q_GETINFO: @@ -1118,9 +1116,6 @@ static int quotactl_ioctl(struct ll_sb_info *sbi, struct if_quotactl *qctl) } if (valid != QC_GENERAL) { - if (sbi->ll_flags & LL_SBI_RMT_CLIENT) - return -EOPNOTSUPP; - if (cmd == Q_GETINFO) qctl->qc_cmd = Q_GETOINFO; else if (cmd == Q_GETQUOTA) @@ -1621,8 +1616,7 @@ free_lmm: struct obd_quotactl *oqctl; int error = 0; - if (!capable(CFS_CAP_SYS_ADMIN) || - sbi->ll_flags & LL_SBI_RMT_CLIENT) + if (!capable(CFS_CAP_SYS_ADMIN)) return -EPERM; oqctl = kzalloc(sizeof(*oqctl), GFP_NOFS); @@ -1645,8 +1639,7 @@ free_lmm: case OBD_IOC_POLL_QUOTACHECK: { struct if_quotacheck *check; - if (!capable(CFS_CAP_SYS_ADMIN) || - sbi->ll_flags & LL_SBI_RMT_CLIENT) + if (!capable(CFS_CAP_SYS_ADMIN)) return -EPERM; check = kzalloc(sizeof(*check), GFP_NOFS); @@ -1703,20 +1696,6 @@ out_quotactl: return ll_get_obd_name(inode, cmd, arg); case LL_IOC_FLUSHCTX: return ll_flush_ctx(inode); -#ifdef CONFIG_FS_POSIX_ACL - case LL_IOC_RMTACL: { - if (sbi->ll_flags & LL_SBI_RMT_CLIENT && is_root_inode(inode)) { - struct ll_file_data *fd = LUSTRE_FPRIVATE(file); - - rc = rct_add(&sbi->ll_rct, current_pid(), arg); - if (!rc) - fd->fd_flags |= LL_FILE_RMTACL; - return rc; - } else { - return 0; - } - } -#endif case LL_IOC_GETOBDCOUNT: { int count, vallen; struct obd_export *exp; diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c index b0c4548..2d50d1c 100644 --- a/drivers/staging/lustre/lustre/llite/file.c +++ b/drivers/staging/lustre/lustre/llite/file.c @@ -344,18 +344,6 @@ int ll_file_release(struct inode *inode, struct file *file) CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n", PFID(ll_inode2fid(inode)), inode); -#ifdef CONFIG_FS_POSIX_ACL - if (sbi->ll_flags & LL_SBI_RMT_CLIENT && is_root_inode(inode)) { - struct ll_file_data *fd = LUSTRE_FPRIVATE(file); - - if (unlikely(fd->fd_flags & LL_FILE_RMTACL)) { - fd->fd_flags &= ~LL_FILE_RMTACL; - rct_del(&sbi->ll_rct, current_pid()); - et_search_free(&sbi->ll_et, current_pid()); - } - } -#endif - if (!is_root_inode(inode)) ll_stats_ops_tally(sbi, LPROC_LL_RELEASE, 1); fd = LUSTRE_FPRIVATE(file); @@ -3156,9 +3144,6 @@ int ll_inode_permission(struct inode *inode, int mask) CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p), inode mode %x mask %o\n", PFID(ll_inode2fid(inode)), inode, inode->i_mode, mask); - if (ll_i2sbi(inode)->ll_flags & LL_SBI_RMT_CLIENT) - return lustre_check_remote_perm(inode, mask); - ll_stats_ops_tally(ll_i2sbi(inode), LPROC_LL_INODE_PERM, 1); rc = generic_permission(inode, mask); diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h index 7c1a3254..8fe63bd 100644 --- a/drivers/staging/lustre/lustre/llite/llite_internal.h +++ b/drivers/staging/lustre/lustre/llite/llite_internal.h @@ -72,9 +72,6 @@ struct ll_dentry_data { #define LLI_INODE_MAGIC 0x111d0de5 #define LLI_INODE_DEAD 0xdeadd00d -/* remote client permission cache */ -#define REMOTE_PERM_HASHSIZE 16 - struct ll_getname_data { struct dir_context ctx; char *lgd_name; /* points to a buffer with NAME_MAX+1 size */ @@ -82,19 +79,6 @@ struct ll_getname_data { int lgd_found; /* inode matched? */ }; -/* llite setxid/access permission for user on remote client */ -struct ll_remote_perm { - struct hlist_node lrp_list; - uid_t lrp_uid; - gid_t lrp_gid; - uid_t lrp_fsuid; - gid_t lrp_fsgid; - int lrp_access_perm; /* MAY_READ/WRITE/EXEC, this - * is access permission with - * lrp_fsuid/lrp_fsgid. - */ -}; - struct ll_grouplock { struct lu_env *lg_env; struct cl_io *lg_io; @@ -129,9 +113,6 @@ struct ll_inode_info { spinlock_t lli_lock; struct posix_acl *lli_posix_acl; - struct hlist_head *lli_remote_perms; - struct mutex lli_rmtperm_mutex; - /* identifying fields for both metadata and data stacks. */ struct lu_fid lli_fid; /* Parent fid for accessing default stripe data on parent directory @@ -141,8 +122,6 @@ struct ll_inode_info { struct list_head lli_close_list; - unsigned long lli_rmtperm_time; - /* handle is to be sent to MDS later on done_writing and setattr. * Open handle data are needed for the recovery to reconstruct * the inode state on the MDS. XXX: recovery is not ready yet. @@ -407,7 +386,7 @@ enum stats_track_type { #define LL_SBI_FLOCK 0x04 #define LL_SBI_USER_XATTR 0x08 /* support user xattr */ #define LL_SBI_ACL 0x10 /* support ACL */ -#define LL_SBI_RMT_CLIENT 0x40 /* remote client */ +/* 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 */ @@ -429,7 +408,7 @@ enum stats_track_type { "xattr", \ "acl", \ "???", \ - "rmt_client", \ + "???", \ "mds_capa", \ "oss_capa", \ "flock", \ @@ -445,26 +424,6 @@ enum stats_track_type { "xattr", \ } -#define RCE_HASHES 32 - -struct rmtacl_ctl_entry { - struct list_head rce_list; - pid_t rce_key; /* hash key */ - int rce_ops; /* acl operation type */ -}; - -struct rmtacl_ctl_table { - spinlock_t rct_lock; - struct list_head rct_entries[RCE_HASHES]; -}; - -#define EE_HASHES 32 - -struct eacl_table { - spinlock_t et_lock; - struct list_head et_entries[EE_HASHES]; -}; - struct ll_sb_info { /* this protects pglist and ra_info. It isn't safe to * grab from interrupt contexts @@ -529,8 +488,6 @@ struct ll_sb_info { dev_t ll_sdev_orig; /* save s_dev before assign for * clustered nfs */ - struct rmtacl_ctl_table ll_rct; - struct eacl_table ll_et; __kernel_fsid_t ll_fsid; struct kobject ll_kobj; /* sysfs object */ struct super_block *ll_sb; /* struct super_block (for sysfs code)*/ @@ -982,14 +939,6 @@ ssize_t ll_getxattr(struct dentry *dentry, struct inode *inode, ssize_t ll_listxattr(struct dentry *dentry, char *buffer, size_t size); int ll_removexattr(struct dentry *dentry, const char *name); -/* llite/remote_perm.c */ -extern struct kmem_cache *ll_remote_perm_cachep; -extern struct kmem_cache *ll_rmtperm_hash_cachep; - -void free_rmtperm_hash(struct hlist_head *hash); -int ll_update_remote_perm(struct inode *inode, struct mdt_remote_perm *perm); -int lustre_check_remote_perm(struct inode *inode, int mask); - /** * Common IO arguments for various VFS I/O interfaces. */ @@ -1003,40 +952,7 @@ void ras_update(struct ll_sb_info *sbi, struct inode *inode, void ll_ra_count_put(struct ll_sb_info *sbi, unsigned long len); void ll_ra_stats_inc(struct inode *inode, enum ra_stat which); -/* llite/llite_rmtacl.c */ -#ifdef CONFIG_FS_POSIX_ACL -struct eacl_entry { - struct list_head ee_list; - pid_t ee_key; /* hash key */ - struct lu_fid ee_fid; - int ee_type; /* ACL type for ACCESS or DEFAULT */ - ext_acl_xattr_header *ee_acl; -}; - -u64 rce_ops2valid(int ops); -struct rmtacl_ctl_entry *rct_search(struct rmtacl_ctl_table *rct, pid_t key); -int rct_add(struct rmtacl_ctl_table *rct, pid_t key, int ops); -int rct_del(struct rmtacl_ctl_table *rct, pid_t key); -void rct_init(struct rmtacl_ctl_table *rct); -void rct_fini(struct rmtacl_ctl_table *rct); - -void ee_free(struct eacl_entry *ee); -int ee_add(struct eacl_table *et, pid_t key, struct lu_fid *fid, int type, - ext_acl_xattr_header *header); -struct eacl_entry *et_search_del(struct eacl_table *et, pid_t key, - struct lu_fid *fid, int type); -void et_search_free(struct eacl_table *et, pid_t key); -void et_init(struct eacl_table *et); -void et_fini(struct eacl_table *et); -#else -static inline u64 rce_ops2valid(int ops) -{ - return 0; -} -#endif - /* statahead.c */ - #define LL_SA_RPC_MIN 2 #define LL_SA_RPC_DEF 32 #define LL_SA_RPC_MAX 8192 diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c index ac833db..ae6a571 100644 --- a/drivers/staging/lustre/lustre/llite/llite_lib.c +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c @@ -171,8 +171,8 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, OBD_CONNECT_VERSION | OBD_CONNECT_BRW_SIZE | OBD_CONNECT_CANCELSET | OBD_CONNECT_FID | OBD_CONNECT_AT | OBD_CONNECT_LOV_V3 | - OBD_CONNECT_RMT_CLIENT | OBD_CONNECT_VBR | - OBD_CONNECT_FULL20 | OBD_CONNECT_64BITHASH| + OBD_CONNECT_VBR | OBD_CONNECT_FULL20 | + OBD_CONNECT_64BITHASH | OBD_CONNECT_EINPROGRESS | OBD_CONNECT_JOBSTATS | OBD_CONNECT_LVB_TYPE | OBD_CONNECT_LAYOUTLOCK | @@ -213,8 +213,6 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, /* real client */ data->ocd_connect_flags |= OBD_CONNECT_REAL; - if (sbi->ll_flags & LL_SBI_RMT_CLIENT) - data->ocd_connect_flags |= OBD_CONNECT_RMT_CLIENT_FORCE; data->ocd_brw_size = MD_MAX_BRW_SIZE; @@ -307,18 +305,6 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, sbi->ll_flags &= ~LL_SBI_ACL; } - if (data->ocd_connect_flags & OBD_CONNECT_RMT_CLIENT) { - if (!(sbi->ll_flags & LL_SBI_RMT_CLIENT)) { - sbi->ll_flags |= LL_SBI_RMT_CLIENT; - LCONSOLE_INFO("client is set as remote by default.\n"); - } - } else { - if (sbi->ll_flags & LL_SBI_RMT_CLIENT) { - sbi->ll_flags &= ~LL_SBI_RMT_CLIENT; - LCONSOLE_INFO("client claims to be remote, but server rejected, forced to be local.\n"); - } - } - if (data->ocd_connect_flags & OBD_CONNECT_64BITHASH) sbi->ll_flags |= LL_SBI_64BIT_HASH; @@ -352,10 +338,9 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, OBD_CONNECT_REQPORTAL | OBD_CONNECT_BRW_SIZE | OBD_CONNECT_CANCELSET | OBD_CONNECT_FID | OBD_CONNECT_SRVLOCK | OBD_CONNECT_TRUNCLOCK| - OBD_CONNECT_AT | OBD_CONNECT_RMT_CLIENT | - OBD_CONNECT_OSS_CAPA | OBD_CONNECT_VBR| - OBD_CONNECT_FULL20 | OBD_CONNECT_64BITHASH | - OBD_CONNECT_MAXBYTES | + OBD_CONNECT_AT | OBD_CONNECT_OSS_CAPA | + OBD_CONNECT_VBR | OBD_CONNECT_FULL20 | + OBD_CONNECT_64BITHASH | OBD_CONNECT_MAXBYTES | OBD_CONNECT_EINPROGRESS | OBD_CONNECT_JOBSTATS | OBD_CONNECT_LVB_TYPE | OBD_CONNECT_LAYOUTLOCK | OBD_CONNECT_PINGLESS; @@ -378,8 +363,6 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, } data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE; - if (sbi->ll_flags & LL_SBI_RMT_CLIENT) - data->ocd_connect_flags |= OBD_CONNECT_RMT_CLIENT_FORCE; CDEBUG(D_RPCTRACE, "ocd_connect_flags: %#llx ocd_version: %d ocd_grant: %d\n", data->ocd_connect_flags, @@ -442,9 +425,7 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, * XXX: move this to after cbd setup? */ valid = OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS | OBD_MD_FLMODEASIZE; - if (sbi->ll_flags & LL_SBI_RMT_CLIENT) - valid |= OBD_MD_FLRMTPERM; - else if (sbi->ll_flags & LL_SBI_ACL) + if (sbi->ll_flags & LL_SBI_ACL) valid |= OBD_MD_FLACL; op_data = kzalloc(sizeof(*op_data), GFP_NOFS); @@ -500,13 +481,6 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, goto out_root; } -#ifdef CONFIG_FS_POSIX_ACL - if (sbi->ll_flags & LL_SBI_RMT_CLIENT) { - rct_init(&sbi->ll_rct); - et_init(&sbi->ll_et); - } -#endif - checksum = sbi->ll_flags & LL_SBI_CHECKSUM; err = obd_set_info_async(NULL, sbi->ll_dt_exp, sizeof(KEY_CHECKSUM), KEY_CHECKSUM, sizeof(checksum), &checksum, @@ -604,13 +578,6 @@ static void client_common_put_super(struct super_block *sb) { struct ll_sb_info *sbi = ll_s2sbi(sb); -#ifdef CONFIG_FS_POSIX_ACL - if (sbi->ll_flags & LL_SBI_RMT_CLIENT) { - et_fini(&sbi->ll_et); - rct_fini(&sbi->ll_rct); - } -#endif - ll_close_thread_shutdown(sbi->ll_lcq); cl_sb_fini(sb); @@ -700,11 +667,6 @@ static int ll_options(char *options, int *flags) *flags &= ~tmp; goto next; } - tmp = ll_set_opt("remote_client", s1, LL_SBI_RMT_CLIENT); - if (tmp) { - *flags |= tmp; - goto next; - } tmp = ll_set_opt("user_fid2path", s1, LL_SBI_USER_FID2PATH); if (tmp) { *flags |= tmp; @@ -788,12 +750,9 @@ void ll_lli_init(struct ll_inode_info *lli) lli->lli_maxbytes = MAX_LFS_FILESIZE; spin_lock_init(&lli->lli_lock); lli->lli_posix_acl = NULL; - lli->lli_remote_perms = NULL; - mutex_init(&lli->lli_rmtperm_mutex); /* Do not set lli_fid, it has been initialized already. */ fid_zero(&lli->lli_pfid); INIT_LIST_HEAD(&lli->lli_close_list); - lli->lli_rmtperm_time = 0; lli->lli_pending_och = NULL; lli->lli_mds_read_och = NULL; lli->lli_mds_write_och = NULL; @@ -1075,17 +1034,9 @@ void ll_clear_inode(struct inode *inode) ll_xattr_cache_destroy(inode); - if (sbi->ll_flags & LL_SBI_RMT_CLIENT) { - LASSERT(!lli->lli_posix_acl); - if (lli->lli_remote_perms) { - free_rmtperm_hash(lli->lli_remote_perms); - lli->lli_remote_perms = NULL; - } - } #ifdef CONFIG_FS_POSIX_ACL - else if (lli->lli_posix_acl) { + if (lli->lli_posix_acl) { LASSERT(atomic_read(&lli->lli_posix_acl->a_refcount) == 1); - LASSERT(!lli->lli_remote_perms); posix_acl_release(lli->lli_posix_acl); lli->lli_posix_acl = NULL; } @@ -1537,12 +1488,8 @@ void ll_update_inode(struct inode *inode, struct lustre_md *md) lli->lli_maxbytes = MAX_LFS_FILESIZE; } - if (sbi->ll_flags & LL_SBI_RMT_CLIENT) { - if (body->valid & OBD_MD_FLRMTPERM) - ll_update_remote_perm(inode, md->remote_perm); - } #ifdef CONFIG_FS_POSIX_ACL - else if (body->valid & OBD_MD_FLACL) { + if (body->valid & OBD_MD_FLACL) { spin_lock(&lli->lli_lock); if (lli->lli_posix_acl) posix_acl_release(lli->lli_posix_acl); diff --git a/drivers/staging/lustre/lustre/llite/llite_rmtacl.c b/drivers/staging/lustre/lustre/llite/llite_rmtacl.c deleted file mode 100644 index edb92f9..0000000 --- a/drivers/staging/lustre/lustre/llite/llite_rmtacl.c +++ /dev/null @@ -1,295 +0,0 @@ -/* - * GPL HEADER START - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 only, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License version 2 for more details (a copy is included - * in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU General Public License - * version 2 along with this program; If not, see - * http://www.gnu.org/licenses/gpl-2.0.html - * - * GPL HEADER END - */ -/* - * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2012, Intel Corporation. - */ -/* - * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. - * - * lustre/llite/llite_rmtacl.c - * - * Lustre Remote User Access Control List. - * - * Author: Fan Yong <fanyong@clusterfs.com> - */ - -#define DEBUG_SUBSYSTEM S_LLITE - -#ifdef CONFIG_FS_POSIX_ACL - -#include "../include/lustre_lite.h" -#include "../include/lustre_eacl.h" -#include "llite_internal.h" - -static inline __u32 rce_hashfunc(uid_t id) -{ - return id & (RCE_HASHES - 1); -} - -static inline __u32 ee_hashfunc(uid_t id) -{ - return id & (EE_HASHES - 1); -} - -u64 rce_ops2valid(int ops) -{ - switch (ops) { - case RMT_LSETFACL: - return OBD_MD_FLRMTLSETFACL; - case RMT_LGETFACL: - return OBD_MD_FLRMTLGETFACL; - case RMT_RSETFACL: - return OBD_MD_FLRMTRSETFACL; - case RMT_RGETFACL: - return OBD_MD_FLRMTRGETFACL; - default: - return 0; - } -} - -static struct rmtacl_ctl_entry *rce_alloc(pid_t key, int ops) -{ - struct rmtacl_ctl_entry *rce; - - rce = kzalloc(sizeof(*rce), GFP_NOFS); - if (!rce) - return NULL; - - INIT_LIST_HEAD(&rce->rce_list); - rce->rce_key = key; - rce->rce_ops = ops; - - return rce; -} - -static void rce_free(struct rmtacl_ctl_entry *rce) -{ - if (!list_empty(&rce->rce_list)) - list_del(&rce->rce_list); - - kfree(rce); -} - -static struct rmtacl_ctl_entry *__rct_search(struct rmtacl_ctl_table *rct, - pid_t key) -{ - struct rmtacl_ctl_entry *rce; - struct list_head *head = &rct->rct_entries[rce_hashfunc(key)]; - - list_for_each_entry(rce, head, rce_list) - if (rce->rce_key == key) - return rce; - - return NULL; -} - -struct rmtacl_ctl_entry *rct_search(struct rmtacl_ctl_table *rct, pid_t key) -{ - struct rmtacl_ctl_entry *rce; - - spin_lock(&rct->rct_lock); - rce = __rct_search(rct, key); - spin_unlock(&rct->rct_lock); - return rce; -} - -int rct_add(struct rmtacl_ctl_table *rct, pid_t key, int ops) -{ - struct rmtacl_ctl_entry *rce, *e; - - rce = rce_alloc(key, ops); - if (!rce) - return -ENOMEM; - - spin_lock(&rct->rct_lock); - e = __rct_search(rct, key); - if (unlikely(e)) { - CWARN("Unexpected stale rmtacl_entry found: [key: %d] [ops: %d]\n", - (int)key, ops); - rce_free(e); - } - list_add_tail(&rce->rce_list, &rct->rct_entries[rce_hashfunc(key)]); - spin_unlock(&rct->rct_lock); - - return 0; -} - -int rct_del(struct rmtacl_ctl_table *rct, pid_t key) -{ - struct rmtacl_ctl_entry *rce; - - spin_lock(&rct->rct_lock); - rce = __rct_search(rct, key); - if (rce) - rce_free(rce); - spin_unlock(&rct->rct_lock); - - return rce ? 0 : -ENOENT; -} - -void rct_init(struct rmtacl_ctl_table *rct) -{ - int i; - - spin_lock_init(&rct->rct_lock); - for (i = 0; i < RCE_HASHES; i++) - INIT_LIST_HEAD(&rct->rct_entries[i]); -} - -void rct_fini(struct rmtacl_ctl_table *rct) -{ - struct rmtacl_ctl_entry *rce; - int i; - - spin_lock(&rct->rct_lock); - for (i = 0; i < RCE_HASHES; i++) - while (!list_empty(&rct->rct_entries[i])) { - rce = list_entry(rct->rct_entries[i].next, - struct rmtacl_ctl_entry, rce_list); - rce_free(rce); - } - spin_unlock(&rct->rct_lock); -} - -static struct eacl_entry *ee_alloc(pid_t key, struct lu_fid *fid, int type, - ext_acl_xattr_header *header) -{ - struct eacl_entry *ee; - - ee = kzalloc(sizeof(*ee), GFP_NOFS); - if (!ee) - return NULL; - - INIT_LIST_HEAD(&ee->ee_list); - ee->ee_key = key; - ee->ee_fid = *fid; - ee->ee_type = type; - ee->ee_acl = header; - - return ee; -} - -void ee_free(struct eacl_entry *ee) -{ - if (!list_empty(&ee->ee_list)) - list_del(&ee->ee_list); - - if (ee->ee_acl) - lustre_ext_acl_xattr_free(ee->ee_acl); - - kfree(ee); -} - -static struct eacl_entry *__et_search_del(struct eacl_table *et, pid_t key, - struct lu_fid *fid, int type) -{ - struct eacl_entry *ee; - struct list_head *head = &et->et_entries[ee_hashfunc(key)]; - - LASSERT(fid); - list_for_each_entry(ee, head, ee_list) - if (ee->ee_key == key) { - if (lu_fid_eq(&ee->ee_fid, fid) && - ee->ee_type == type) { - list_del_init(&ee->ee_list); - return ee; - } - } - - return NULL; -} - -struct eacl_entry *et_search_del(struct eacl_table *et, pid_t key, - struct lu_fid *fid, int type) -{ - struct eacl_entry *ee; - - spin_lock(&et->et_lock); - ee = __et_search_del(et, key, fid, type); - spin_unlock(&et->et_lock); - return ee; -} - -void et_search_free(struct eacl_table *et, pid_t key) -{ - struct eacl_entry *ee, *next; - struct list_head *head = &et->et_entries[ee_hashfunc(key)]; - - spin_lock(&et->et_lock); - list_for_each_entry_safe(ee, next, head, ee_list) - if (ee->ee_key == key) - ee_free(ee); - - spin_unlock(&et->et_lock); -} - -int ee_add(struct eacl_table *et, pid_t key, struct lu_fid *fid, int type, - ext_acl_xattr_header *header) -{ - struct eacl_entry *ee, *e; - - ee = ee_alloc(key, fid, type, header); - if (!ee) - return -ENOMEM; - - spin_lock(&et->et_lock); - e = __et_search_del(et, key, fid, type); - if (unlikely(e)) { - CWARN("Unexpected stale eacl_entry found: [key: %d] [fid: " DFID "] [type: %d]\n", - (int)key, PFID(fid), type); - ee_free(e); - } - list_add_tail(&ee->ee_list, &et->et_entries[ee_hashfunc(key)]); - spin_unlock(&et->et_lock); - - return 0; -} - -void et_init(struct eacl_table *et) -{ - int i; - - spin_lock_init(&et->et_lock); - for (i = 0; i < EE_HASHES; i++) - INIT_LIST_HEAD(&et->et_entries[i]); -} - -void et_fini(struct eacl_table *et) -{ - struct eacl_entry *ee; - int i; - - spin_lock(&et->et_lock); - for (i = 0; i < EE_HASHES; i++) - while (!list_empty(&et->et_entries[i])) { - ee = list_entry(et->et_entries[i].next, - struct eacl_entry, ee_list); - ee_free(ee); - } - spin_unlock(&et->et_lock); -} - -#endif diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c index 6e9a8a5..18a7775 100644 --- a/drivers/staging/lustre/lustre/llite/lproc_llite.c +++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c @@ -176,11 +176,7 @@ LUSTRE_RO_ATTR(filesfree); static ssize_t client_type_show(struct kobject *kobj, struct attribute *attr, char *buf) { - struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, - ll_kobj); - - return sprintf(buf, "%s client\n", - sbi->ll_flags & LL_SBI_RMT_CLIENT ? "remote" : "local"); + return sprintf(buf, "local client\n"); } LUSTRE_RO_ATTR(client_type); diff --git a/drivers/staging/lustre/lustre/llite/remote_perm.c b/drivers/staging/lustre/lustre/llite/remote_perm.c deleted file mode 100644 index 9df9e784..0000000 --- a/drivers/staging/lustre/lustre/llite/remote_perm.c +++ /dev/null @@ -1,320 +0,0 @@ -/* - * GPL HEADER START - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 only, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License version 2 for more details (a copy is included - * in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU General Public License - * version 2 along with this program; If not, see - * http://www.gnu.org/licenses/gpl-2.0.html - * - * GPL HEADER END - */ -/* - * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2011, 2012, Intel Corporation. - */ -/* - * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. - * - * lustre/llite/remote_perm.c - * - * Lustre Permission Cache for Remote Client - * - * Author: Lai Siyao <lsy@clusterfs.com> - * Author: Fan Yong <fanyong@clusterfs.com> - */ - -#define DEBUG_SUBSYSTEM S_LLITE - -#include <linux/module.h> -#include <linux/types.h> - -#include "../include/lustre_lite.h" -#include "../include/lustre_ha.h" -#include "../include/lustre_dlm.h" -#include "../include/lprocfs_status.h" -#include "../include/lustre_disk.h" -#include "../include/lustre_param.h" -#include "llite_internal.h" - -struct kmem_cache *ll_remote_perm_cachep; -struct kmem_cache *ll_rmtperm_hash_cachep; - -static inline struct ll_remote_perm *alloc_ll_remote_perm(void) -{ - struct ll_remote_perm *lrp; - - lrp = kmem_cache_zalloc(ll_remote_perm_cachep, GFP_KERNEL); - if (lrp) - INIT_HLIST_NODE(&lrp->lrp_list); - return lrp; -} - -static inline void free_ll_remote_perm(struct ll_remote_perm *lrp) -{ - if (!lrp) - return; - - if (!hlist_unhashed(&lrp->lrp_list)) - hlist_del(&lrp->lrp_list); - kmem_cache_free(ll_remote_perm_cachep, lrp); -} - -static struct hlist_head *alloc_rmtperm_hash(void) -{ - struct hlist_head *hash; - int i; - - hash = kmem_cache_zalloc(ll_rmtperm_hash_cachep, GFP_NOFS); - if (!hash) - return NULL; - - for (i = 0; i < REMOTE_PERM_HASHSIZE; i++) - INIT_HLIST_HEAD(hash + i); - - return hash; -} - -void free_rmtperm_hash(struct hlist_head *hash) -{ - int i; - struct ll_remote_perm *lrp; - struct hlist_node *next; - - if (!hash) - return; - - for (i = 0; i < REMOTE_PERM_HASHSIZE; i++) - hlist_for_each_entry_safe(lrp, next, hash + i, lrp_list) - free_ll_remote_perm(lrp); - kmem_cache_free(ll_rmtperm_hash_cachep, hash); -} - -static inline int remote_perm_hashfunc(uid_t uid) -{ - return uid & (REMOTE_PERM_HASHSIZE - 1); -} - -/* NB: setxid permission is not checked here, instead it's done on - * MDT when client get remote permission. - */ -static int do_check_remote_perm(struct ll_inode_info *lli, int mask) -{ - struct hlist_head *head; - struct ll_remote_perm *lrp; - int found = 0, rc; - - if (!lli->lli_remote_perms) - return -ENOENT; - - head = lli->lli_remote_perms + - remote_perm_hashfunc(from_kuid(&init_user_ns, current_uid())); - - spin_lock(&lli->lli_lock); - hlist_for_each_entry(lrp, head, lrp_list) { - if (lrp->lrp_uid != from_kuid(&init_user_ns, current_uid())) - continue; - if (lrp->lrp_gid != from_kgid(&init_user_ns, current_gid())) - continue; - if (lrp->lrp_fsuid != from_kuid(&init_user_ns, current_fsuid())) - continue; - if (lrp->lrp_fsgid != from_kgid(&init_user_ns, current_fsgid())) - continue; - found = 1; - break; - } - - if (!found) { - rc = -ENOENT; - goto out; - } - - CDEBUG(D_SEC, "found remote perm: %u/%u/%u/%u - %#x\n", - lrp->lrp_uid, lrp->lrp_gid, lrp->lrp_fsuid, lrp->lrp_fsgid, - lrp->lrp_access_perm); - rc = ((lrp->lrp_access_perm & mask) == mask) ? 0 : -EACCES; - -out: - spin_unlock(&lli->lli_lock); - return rc; -} - -int ll_update_remote_perm(struct inode *inode, struct mdt_remote_perm *perm) -{ - struct ll_inode_info *lli = ll_i2info(inode); - struct ll_remote_perm *lrp = NULL, *tmp = NULL; - struct hlist_head *head, *perm_hash = NULL; - - LASSERT(ll_i2sbi(inode)->ll_flags & LL_SBI_RMT_CLIENT); - -#if 0 - if (perm->rp_uid != current->uid || - perm->rp_gid != current->gid || - perm->rp_fsuid != current->fsuid || - perm->rp_fsgid != current->fsgid) { - /* user might setxid in this small period */ - CDEBUG(D_SEC, - "remote perm user %u/%u/%u/%u != current %u/%u/%u/%u\n", - perm->rp_uid, perm->rp_gid, perm->rp_fsuid, - perm->rp_fsgid, current->uid, current->gid, - current->fsuid, current->fsgid); - return -EAGAIN; - } -#endif - - if (!lli->lli_remote_perms) { - perm_hash = alloc_rmtperm_hash(); - if (!perm_hash) { - CERROR("alloc lli_remote_perms failed!\n"); - return -ENOMEM; - } - } - - spin_lock(&lli->lli_lock); - - if (!lli->lli_remote_perms) - lli->lli_remote_perms = perm_hash; - else - free_rmtperm_hash(perm_hash); - - head = lli->lli_remote_perms + remote_perm_hashfunc(perm->rp_uid); - -again: - hlist_for_each_entry(tmp, head, lrp_list) { - if (tmp->lrp_uid != perm->rp_uid) - continue; - if (tmp->lrp_gid != perm->rp_gid) - continue; - if (tmp->lrp_fsuid != perm->rp_fsuid) - continue; - if (tmp->lrp_fsgid != perm->rp_fsgid) - continue; - free_ll_remote_perm(lrp); - lrp = tmp; - break; - } - - if (!lrp) { - spin_unlock(&lli->lli_lock); - lrp = alloc_ll_remote_perm(); - if (!lrp) { - CERROR("alloc memory for ll_remote_perm failed!\n"); - return -ENOMEM; - } - spin_lock(&lli->lli_lock); - goto again; - } - - lrp->lrp_access_perm = perm->rp_access_perm; - if (lrp != tmp) { - lrp->lrp_uid = perm->rp_uid; - lrp->lrp_gid = perm->rp_gid; - lrp->lrp_fsuid = perm->rp_fsuid; - lrp->lrp_fsgid = perm->rp_fsgid; - hlist_add_head(&lrp->lrp_list, head); - } - lli->lli_rmtperm_time = cfs_time_current(); - spin_unlock(&lli->lli_lock); - - CDEBUG(D_SEC, "new remote perm@%p: %u/%u/%u/%u - %#x\n", - lrp, lrp->lrp_uid, lrp->lrp_gid, lrp->lrp_fsuid, lrp->lrp_fsgid, - lrp->lrp_access_perm); - - return 0; -} - -int lustre_check_remote_perm(struct inode *inode, int mask) -{ - struct ll_inode_info *lli = ll_i2info(inode); - struct ll_sb_info *sbi = ll_i2sbi(inode); - struct ptlrpc_request *req = NULL; - struct mdt_remote_perm *perm; - unsigned long save; - int i = 0, rc; - - do { - save = lli->lli_rmtperm_time; - rc = do_check_remote_perm(lli, mask); - if (!rc || (rc != -ENOENT && i)) - break; - - might_sleep(); - - mutex_lock(&lli->lli_rmtperm_mutex); - /* check again */ - if (save != lli->lli_rmtperm_time) { - rc = do_check_remote_perm(lli, mask); - if (!rc || (rc != -ENOENT && i)) { - mutex_unlock(&lli->lli_rmtperm_mutex); - break; - } - } - - if (i++ > 5) { - CERROR("check remote perm falls in dead loop!\n"); - LBUG(); - } - - rc = md_get_remote_perm(sbi->ll_md_exp, ll_inode2fid(inode), - ll_i2suppgid(inode), &req); - if (rc) { - mutex_unlock(&lli->lli_rmtperm_mutex); - break; - } - - perm = req_capsule_server_swab_get(&req->rq_pill, &RMF_ACL, - lustre_swab_mdt_remote_perm); - if (unlikely(!perm)) { - mutex_unlock(&lli->lli_rmtperm_mutex); - rc = -EPROTO; - break; - } - - rc = ll_update_remote_perm(inode, perm); - mutex_unlock(&lli->lli_rmtperm_mutex); - if (rc == -ENOMEM) - break; - - ptlrpc_req_finished(req); - req = NULL; - } while (1); - ptlrpc_req_finished(req); - return rc; -} - -#if 0 /* NB: remote perms can't be freed in ll_mdc_blocking_ast of UPDATE lock, - * because it will fail sanity test 48. - */ -void ll_free_remote_perms(struct inode *inode) -{ - struct ll_inode_info *lli = ll_i2info(inode); - struct hlist_head *hash = lli->lli_remote_perms; - struct ll_remote_perm *lrp; - struct hlist_node *node, *next; - int i; - - LASSERT(hash); - - spin_lock(&lli->lli_lock); - - for (i = 0; i < REMOTE_PERM_HASHSIZE; i++) { - hlist_for_each_entry_safe(lrp, node, next, hash + i, lrp_list) - free_ll_remote_perm(lrp); - } - - spin_unlock(&lli->lli_lock); -} -#endif diff --git a/drivers/staging/lustre/lustre/llite/super25.c b/drivers/staging/lustre/lustre/llite/super25.c index b40ea79..3dd7e0e 100644 --- a/drivers/staging/lustre/lustre/llite/super25.c +++ b/drivers/staging/lustre/lustre/llite/super25.c @@ -114,19 +114,6 @@ static int __init lustre_init(void) if (!ll_file_data_slab) goto out_cache; - ll_remote_perm_cachep = kmem_cache_create("ll_remote_perm_cache", - sizeof(struct ll_remote_perm), - 0, 0, NULL); - if (!ll_remote_perm_cachep) - goto out_cache; - - ll_rmtperm_hash_cachep = kmem_cache_create("ll_rmtperm_hash_cache", - REMOTE_PERM_HASHSIZE * - sizeof(struct list_head), - 0, 0, NULL); - if (!ll_rmtperm_hash_cachep) - goto out_cache; - llite_root = debugfs_create_dir("llite", debugfs_lustre_root); if (IS_ERR_OR_NULL(llite_root)) { rc = llite_root ? PTR_ERR(llite_root) : -ENOMEM; @@ -190,8 +177,6 @@ out_debugfs: out_cache: kmem_cache_destroy(ll_inode_cachep); kmem_cache_destroy(ll_file_data_slab); - kmem_cache_destroy(ll_remote_perm_cachep); - kmem_cache_destroy(ll_rmtperm_hash_cachep); return rc; } @@ -209,10 +194,6 @@ static void __exit lustre_exit(void) vvp_global_fini(); kmem_cache_destroy(ll_inode_cachep); - kmem_cache_destroy(ll_rmtperm_hash_cachep); - - kmem_cache_destroy(ll_remote_perm_cachep); - kmem_cache_destroy(ll_file_data_slab); } diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c index 6ce790e..98303cf 100644 --- a/drivers/staging/lustre/lustre/llite/xattr.c +++ b/drivers/staging/lustre/lustre/llite/xattr.c @@ -107,11 +107,6 @@ int ll_setxattr_common(struct inode *inode, const char *name, struct ll_sb_info *sbi = ll_i2sbi(inode); struct ptlrpc_request *req = NULL; int xattr_type, rc; -#ifdef CONFIG_FS_POSIX_ACL - struct rmtacl_ctl_entry *rce = NULL; - posix_acl_xattr_header *new_value = NULL; - ext_acl_xattr_header *acl = NULL; -#endif const char *pv = value; xattr_type = get_xattr_type(name); @@ -139,62 +134,9 @@ int ll_setxattr_common(struct inode *inode, const char *name, strcmp(name, "security.selinux") == 0) return -EOPNOTSUPP; -#ifdef CONFIG_FS_POSIX_ACL - if (sbi->ll_flags & LL_SBI_RMT_CLIENT && - (xattr_type == XATTR_ACL_ACCESS_T || - xattr_type == XATTR_ACL_DEFAULT_T)) { - rce = rct_search(&sbi->ll_rct, current_pid()); - if (!rce || - (rce->rce_ops != RMT_LSETFACL && - rce->rce_ops != RMT_RSETFACL)) - return -EOPNOTSUPP; - - if (rce->rce_ops == RMT_LSETFACL) { - struct eacl_entry *ee; - - ee = et_search_del(&sbi->ll_et, current_pid(), - ll_inode2fid(inode), xattr_type); - if (valid & OBD_MD_FLXATTR) { - acl = lustre_acl_xattr_merge2ext( - (posix_acl_xattr_header *)value, - size, ee->ee_acl); - if (IS_ERR(acl)) { - ee_free(ee); - return PTR_ERR(acl); - } - size = CFS_ACL_XATTR_SIZE(\ - le32_to_cpu(acl->a_count), \ - ext_acl_xattr); - pv = (const char *)acl; - } - ee_free(ee); - } else if (rce->rce_ops == RMT_RSETFACL) { - rc = lustre_posix_acl_xattr_filter( - (posix_acl_xattr_header *)value, - size, &new_value); - if (unlikely(rc < 0)) - return rc; - size = rc; - - pv = (const char *)new_value; - } else { - return -EOPNOTSUPP; - } - - valid |= rce_ops2valid(rce->rce_ops); - } -#endif rc = md_setxattr(sbi->ll_md_exp, ll_inode2fid(inode), valid, name, pv, size, 0, flags, ll_i2suppgid(inode), &req); -#ifdef CONFIG_FS_POSIX_ACL - /* - * Release the posix ACL space. - */ - kfree(new_value); - if (acl) - lustre_ext_acl_xattr_free(acl); -#endif if (rc) { if (rc == -EOPNOTSUPP && xattr_type == XATTR_USER_T) { LCONSOLE_INFO("Disabling user_xattr feature because it is not supported on the server\n"); @@ -284,7 +226,6 @@ int ll_getxattr_common(struct inode *inode, const char *name, struct mdt_body *body; int xattr_type, rc; void *xdata; - struct rmtacl_ctl_entry *rce = NULL; struct ll_inode_info *lli = ll_i2info(inode); CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n", @@ -315,24 +256,11 @@ int ll_getxattr_common(struct inode *inode, const char *name, return -EOPNOTSUPP; #ifdef CONFIG_FS_POSIX_ACL - if (sbi->ll_flags & LL_SBI_RMT_CLIENT && - (xattr_type == XATTR_ACL_ACCESS_T || - xattr_type == XATTR_ACL_DEFAULT_T)) { - rce = rct_search(&sbi->ll_rct, current_pid()); - if (!rce || - (rce->rce_ops != RMT_LSETFACL && - rce->rce_ops != RMT_LGETFACL && - rce->rce_ops != RMT_RSETFACL && - rce->rce_ops != RMT_RGETFACL)) - return -EOPNOTSUPP; - } - /* posix acl is under protection of LOOKUP lock. when calling to this, * we just have path resolution to the target inode, so we have great * chance that cached ACL is uptodate. */ - if (xattr_type == XATTR_ACL_ACCESS_T && - !(sbi->ll_flags & LL_SBI_RMT_CLIENT)) { + if (xattr_type == XATTR_ACL_ACCESS_T) { struct posix_acl *acl; spin_lock(&lli->lli_lock); @@ -374,9 +302,7 @@ do_getxattr: } else { getxattr_nocache: rc = md_getxattr(sbi->ll_md_exp, ll_inode2fid(inode), - valid | (rce ? rce_ops2valid(rce->rce_ops) : 0), - name, NULL, 0, size, 0, &req); - + valid, name, NULL, 0, size, 0, &req); if (rc < 0) goto out_xattr; @@ -413,25 +339,6 @@ getxattr_nocache: rc = body->eadatasize; } -#ifdef CONFIG_FS_POSIX_ACL - if (rce && rce->rce_ops == RMT_LSETFACL) { - ext_acl_xattr_header *acl; - - acl = lustre_posix_acl_xattr_2ext(buffer, rc); - if (IS_ERR(acl)) { - rc = PTR_ERR(acl); - goto out; - } - - rc = ee_add(&sbi->ll_et, current_pid(), ll_inode2fid(inode), - xattr_type, acl); - if (unlikely(rc < 0)) { - lustre_ext_acl_xattr_free(acl); - goto out; - } - } -#endif - out_xattr: if (rc == -EOPNOTSUPP && xattr_type == XATTR_USER_T) { LCONSOLE_INFO( |
