diff options
Diffstat (limited to 'fs/ceph')
-rw-r--r-- | fs/ceph/addr.c | 1 | ||||
-rw-r--r-- | fs/ceph/caps.c | 160 | ||||
-rw-r--r-- | fs/ceph/dir.c | 2 | ||||
-rw-r--r-- | fs/ceph/file.c | 1 | ||||
-rw-r--r-- | fs/ceph/inode.c | 67 | ||||
-rw-r--r-- | fs/ceph/super.c | 35 | ||||
-rw-r--r-- | fs/ceph/xattr.c | 60 |
7 files changed, 202 insertions, 124 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index c9cb2f33a6d6..afcc59ed7090 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -1936,7 +1936,6 @@ static int __ceph_pool_perm_get(struct ceph_inode_info *ci, err = ceph_osdc_start_request(&fsc->client->osdc, rd_req, false); wr_req->r_mtime = ci->vfs_inode.i_mtime; - wr_req->r_abort_on_full = true; err2 = ceph_osdc_start_request(&fsc->client->osdc, wr_req, false); if (!err) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 23dbfae16156..0ae41854d676 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -69,6 +69,8 @@ static char *gcap_string(char *s, int c) *s++ = 'w'; if (c & CEPH_CAP_GBUFFER) *s++ = 'b'; + if (c & CEPH_CAP_GWREXTEND) + *s++ = 'a'; if (c & CEPH_CAP_GLAZYIO) *s++ = 'l'; return s; @@ -3022,30 +3024,41 @@ static void invalidate_aliases(struct inode *inode) dput(prev); } +struct cap_extra_info { + struct ceph_string *pool_ns; + /* inline data */ + u64 inline_version; + void *inline_data; + u32 inline_len; + /* dirstat */ + bool dirstat_valid; + u64 nfiles; + u64 nsubdirs; + /* currently issued */ + int issued; +}; + /* * Handle a cap GRANT message from the MDS. (Note that a GRANT may * actually be a revocation if it specifies a smaller cap set.) * * caller holds s_mutex and i_ceph_lock, we drop both. */ -static void handle_cap_grant(struct ceph_mds_client *mdsc, - struct inode *inode, struct ceph_mds_caps *grant, - struct ceph_string **pns, u64 inline_version, - void *inline_data, u32 inline_len, - struct ceph_buffer *xattr_buf, +static void handle_cap_grant(struct inode *inode, struct ceph_mds_session *session, - struct ceph_cap *cap, int issued) + struct ceph_cap *cap, + struct ceph_mds_caps *grant, + struct ceph_buffer *xattr_buf, + struct cap_extra_info *extra_info) __releases(ci->i_ceph_lock) - __releases(mdsc->snap_rwsem) + __releases(session->s_mdsc->snap_rwsem) { struct ceph_inode_info *ci = ceph_inode(inode); - int mds = session->s_mds; int seq = le32_to_cpu(grant->seq); int newcaps = le32_to_cpu(grant->caps); int used, wanted, dirty; u64 size = le64_to_cpu(grant->size); u64 max_size = le64_to_cpu(grant->max_size); - struct timespec mtime, atime, ctime; int check_caps = 0; bool wake = false; bool writeback = false; @@ -3055,7 +3068,7 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc, bool fill_inline = false; dout("handle_cap_grant inode %p cap %p mds%d seq %d %s\n", - inode, cap, mds, seq, ceph_cap_string(newcaps)); + inode, cap, session->s_mds, seq, ceph_cap_string(newcaps)); dout(" size %llu max_size %llu, i_size %llu\n", size, max_size, inode->i_size); @@ -3101,7 +3114,7 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc, __check_cap_issue(ci, cap, newcaps); if ((newcaps & CEPH_CAP_AUTH_SHARED) && - (issued & CEPH_CAP_AUTH_EXCL) == 0) { + (extra_info->issued & CEPH_CAP_AUTH_EXCL) == 0) { inode->i_mode = le32_to_cpu(grant->mode); inode->i_uid = make_kuid(&init_user_ns, le32_to_cpu(grant->uid)); inode->i_gid = make_kgid(&init_user_ns, le32_to_cpu(grant->gid)); @@ -3110,15 +3123,16 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc, from_kgid(&init_user_ns, inode->i_gid)); } - if ((newcaps & CEPH_CAP_AUTH_SHARED) && - (issued & CEPH_CAP_LINK_EXCL) == 0) { + if ((newcaps & CEPH_CAP_LINK_SHARED) && + (extra_info->issued & CEPH_CAP_LINK_EXCL) == 0) { set_nlink(inode, le32_to_cpu(grant->nlink)); if (inode->i_nlink == 0 && (newcaps & (CEPH_CAP_LINK_SHARED | CEPH_CAP_LINK_EXCL))) deleted_inode = true; } - if ((issued & CEPH_CAP_XATTR_EXCL) == 0 && grant->xattr_len) { + if ((extra_info->issued & CEPH_CAP_XATTR_EXCL) == 0 && + grant->xattr_len) { int len = le32_to_cpu(grant->xattr_len); u64 version = le64_to_cpu(grant->xattr_version); @@ -3134,15 +3148,21 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc, } if (newcaps & CEPH_CAP_ANY_RD) { + struct timespec mtime, atime, ctime; /* ctime/mtime/atime? */ ceph_decode_timespec(&mtime, &grant->mtime); ceph_decode_timespec(&atime, &grant->atime); ceph_decode_timespec(&ctime, &grant->ctime); - ceph_fill_file_time(inode, issued, + ceph_fill_file_time(inode, extra_info->issued, le32_to_cpu(grant->time_warp_seq), &ctime, &mtime, &atime); } + if ((newcaps & CEPH_CAP_FILE_SHARED) && extra_info->dirstat_valid) { + ci->i_files = extra_info->nfiles; + ci->i_subdirs = extra_info->nsubdirs; + } + if (newcaps & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR)) { /* file layout may have changed */ s64 old_pool = ci->i_layout.pool_id; @@ -3151,15 +3171,16 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc, ceph_file_layout_from_legacy(&ci->i_layout, &grant->layout); old_ns = rcu_dereference_protected(ci->i_layout.pool_ns, lockdep_is_held(&ci->i_ceph_lock)); - rcu_assign_pointer(ci->i_layout.pool_ns, *pns); + rcu_assign_pointer(ci->i_layout.pool_ns, extra_info->pool_ns); - if (ci->i_layout.pool_id != old_pool || *pns != old_ns) + if (ci->i_layout.pool_id != old_pool || + extra_info->pool_ns != old_ns) ci->i_ceph_flags &= ~CEPH_I_POOL_PERM; - *pns = old_ns; + extra_info->pool_ns = old_ns; /* size/truncate_seq? */ - queue_trunc = ceph_fill_file_size(inode, issued, + queue_trunc = ceph_fill_file_size(inode, extra_info->issued, le32_to_cpu(grant->truncate_seq), le64_to_cpu(grant->truncate_size), size); @@ -3238,24 +3259,26 @@ static void handle_cap_grant(struct ceph_mds_client *mdsc, } BUG_ON(cap->issued & ~cap->implemented); - if (inline_version > 0 && inline_version >= ci->i_inline_version) { - ci->i_inline_version = inline_version; + if (extra_info->inline_version > 0 && + extra_info->inline_version >= ci->i_inline_version) { + ci->i_inline_version = extra_info->inline_version; if (ci->i_inline_version != CEPH_INLINE_NONE && (newcaps & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO))) fill_inline = true; } if (le32_to_cpu(grant->op) == CEPH_CAP_OP_IMPORT) { - if (newcaps & ~issued) + if (newcaps & ~extra_info->issued) wake = true; - kick_flushing_inode_caps(mdsc, session, inode); - up_read(&mdsc->snap_rwsem); + kick_flushing_inode_caps(session->s_mdsc, session, inode); + up_read(&session->s_mdsc->snap_rwsem); } else { spin_unlock(&ci->i_ceph_lock); } if (fill_inline) - ceph_fill_inline_data(inode, NULL, inline_data, inline_len); + ceph_fill_inline_data(inode, NULL, extra_info->inline_data, + extra_info->inline_len); if (queue_trunc) ceph_queue_vmtruncate(inode); @@ -3720,31 +3743,25 @@ void ceph_handle_caps(struct ceph_mds_session *session, struct ceph_msg *msg) { struct ceph_mds_client *mdsc = session->s_mdsc; - struct super_block *sb = mdsc->fsc->sb; struct inode *inode; struct ceph_inode_info *ci; struct ceph_cap *cap; struct ceph_mds_caps *h; struct ceph_mds_cap_peer *peer = NULL; struct ceph_snap_realm *realm = NULL; - struct ceph_string *pool_ns = NULL; - int mds = session->s_mds; - int op, issued; + int op; + int msg_version = le16_to_cpu(msg->hdr.version); u32 seq, mseq; struct ceph_vino vino; - u64 tid; - u64 inline_version = 0; - void *inline_data = NULL; - u32 inline_len = 0; void *snaptrace; size_t snaptrace_len; void *p, *end; + struct cap_extra_info extra_info = {}; - dout("handle_caps from mds%d\n", mds); + dout("handle_caps from mds%d\n", session->s_mds); /* decode */ end = msg->front.iov_base + msg->front.iov_len; - tid = le64_to_cpu(msg->hdr.tid); if (msg->front.iov_len < sizeof(*h)) goto bad; h = msg->front.iov_base; @@ -3758,7 +3775,7 @@ void ceph_handle_caps(struct ceph_mds_session *session, snaptrace_len = le32_to_cpu(h->snap_trace_len); p = snaptrace + snaptrace_len; - if (le16_to_cpu(msg->hdr.version) >= 2) { + if (msg_version >= 2) { u32 flock_len; ceph_decode_32_safe(&p, end, flock_len, bad); if (p + flock_len > end) @@ -3766,7 +3783,7 @@ void ceph_handle_caps(struct ceph_mds_session *session, p += flock_len; } - if (le16_to_cpu(msg->hdr.version) >= 3) { + if (msg_version >= 3) { if (op == CEPH_CAP_OP_IMPORT) { if (p + sizeof(*peer) > end) goto bad; @@ -3778,16 +3795,16 @@ void ceph_handle_caps(struct ceph_mds_session *session, } } - if (le16_to_cpu(msg->hdr.version) >= 4) { - ceph_decode_64_safe(&p, end, inline_version, bad); - ceph_decode_32_safe(&p, end, inline_len, bad); - if (p + inline_len > end) + if (msg_version >= 4) { + ceph_decode_64_safe(&p, end, extra_info.inline_version, bad); + ceph_decode_32_safe(&p, end, extra_info.inline_len, bad); + if (p + extra_info.inline_len > end) goto bad; - inline_data = p; - p += inline_len; + extra_info.inline_data = p; + p += extra_info.inline_len; } - if (le16_to_cpu(msg->hdr.version) >= 5) { + if (msg_version >= 5) { struct ceph_osd_client *osdc = &mdsc->fsc->client->osdc; u32 epoch_barrier; @@ -3795,7 +3812,7 @@ void ceph_handle_caps(struct ceph_mds_session *session, ceph_osdc_update_epoch_barrier(osdc, epoch_barrier); } - if (le16_to_cpu(msg->hdr.version) >= 8) { + if (msg_version >= 8) { u64 flush_tid; u32 caller_uid, caller_gid; u32 pool_ns_len; @@ -3809,13 +3826,33 @@ void ceph_handle_caps(struct ceph_mds_session *session, ceph_decode_32_safe(&p, end, pool_ns_len, bad); if (pool_ns_len > 0) { ceph_decode_need(&p, end, pool_ns_len, bad); - pool_ns = ceph_find_or_create_string(p, pool_ns_len); + extra_info.pool_ns = + ceph_find_or_create_string(p, pool_ns_len); p += pool_ns_len; } } + if (msg_version >= 11) { + struct ceph_timespec *btime; + u64 change_attr; + u32 flags; + + /* version >= 9 */ + if (p + sizeof(*btime) > end) + goto bad; + btime = p; + p += sizeof(*btime); + ceph_decode_64_safe(&p, end, change_attr, bad); + /* version >= 10 */ + ceph_decode_32_safe(&p, end, flags, bad); + /* version >= 11 */ + extra_info.dirstat_valid = true; + ceph_decode_64_safe(&p, end, extra_info.nfiles, bad); + ceph_decode_64_safe(&p, end, extra_info.nsubdirs, bad); + } + /* lookup ino */ - inode = ceph_find_inode(sb, vino); + inode = ceph_find_inode(mdsc->fsc->sb, vino); ci = ceph_inode(inode); dout(" op %s ino %llx.%llx inode %p\n", ceph_cap_op_name(op), vino.ino, vino.snap, inode); @@ -3848,7 +3885,8 @@ void ceph_handle_caps(struct ceph_mds_session *session, /* these will work even if we don't have a cap yet */ switch (op) { case CEPH_CAP_OP_FLUSHSNAP_ACK: - handle_cap_flushsnap_ack(inode, tid, h, session); + handle_cap_flushsnap_ack(inode, le64_to_cpu(msg->hdr.tid), + h, session); goto done; case CEPH_CAP_OP_EXPORT: @@ -3867,10 +3905,9 @@ void ceph_handle_caps(struct ceph_mds_session *session, down_read(&mdsc->snap_rwsem); } handle_cap_import(mdsc, inode, h, peer, session, - &cap, &issued); - handle_cap_grant(mdsc, inode, h, &pool_ns, - inline_version, inline_data, inline_len, - msg->middle, session, cap, issued); + &cap, &extra_info.issued); + handle_cap_grant(inode, session, cap, + h, msg->middle, &extra_info); if (realm) ceph_put_snap_realm(mdsc, realm); goto done_unlocked; @@ -3878,10 +3915,11 @@ void ceph_handle_caps(struct ceph_mds_session *session, /* the rest require a cap */ spin_lock(&ci->i_ceph_lock); - cap = __get_cap_for_mds(ceph_inode(inode), mds); + cap = __get_cap_for_mds(ceph_inode(inode), session->s_mds); if (!cap) { dout(" no cap on %p ino %llx.%llx from mds%d\n", - inode, ceph_ino(inode), ceph_snap(inode), mds); + inode, ceph_ino(inode), ceph_snap(inode), + session->s_mds); spin_unlock(&ci->i_ceph_lock); goto flush_cap_releases; } @@ -3890,15 +3928,15 @@ void ceph_handle_caps(struct ceph_mds_session *session, switch (op) { case CEPH_CAP_OP_REVOKE: case CEPH_CAP_OP_GRANT: - __ceph_caps_issued(ci, &issued); - issued |= __ceph_caps_dirty(ci); - handle_cap_grant(mdsc, inode, h, &pool_ns, - inline_version, inline_data, inline_len, - msg->middle, session, cap, issued); + __ceph_caps_issued(ci, &extra_info.issued); + extra_info.issued |= __ceph_caps_dirty(ci); + handle_cap_grant(inode, session, cap, + h, msg->middle, &extra_info); goto done_unlocked; case CEPH_CAP_OP_FLUSH_ACK: - handle_cap_flush_ack(inode, tid, h, session, cap); + handle_cap_flush_ack(inode, le64_to_cpu(msg->hdr.tid), + h, session, cap); break; case CEPH_CAP_OP_TRUNC: @@ -3925,7 +3963,7 @@ done: mutex_unlock(&session->s_mutex); done_unlocked: iput(inode); - ceph_put_string(pool_ns); + ceph_put_string(extra_info.pool_ns); return; bad: diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 1a78dd6f8bf2..036ac0f3a393 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -1486,6 +1486,8 @@ const struct file_operations ceph_dir_fops = { .release = ceph_release, .unlocked_ioctl = ceph_ioctl, .fsync = ceph_fsync, + .lock = ceph_lock, + .flock = ceph_flock, }; const struct file_operations ceph_snapdir_fops = { diff --git a/fs/ceph/file.c b/fs/ceph/file.c index cf0e45b10121..6b9f7f3cd237 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -895,7 +895,6 @@ static void ceph_aio_retry_work(struct work_struct *work) req->r_callback = ceph_aio_complete_req; req->r_inode = inode; req->r_priv = aio_req; - req->r_abort_on_full = true; ret = ceph_osdc_start_request(req->r_osdc, req, false); out: diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index ae056927080d..4fda7a9d4c9d 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -739,7 +739,7 @@ static int fill_inode(struct inode *inode, struct page *locked_page, struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc; struct ceph_mds_reply_inode *info = iinfo->in; struct ceph_inode_info *ci = ceph_inode(inode); - int issued = 0, implemented, new_issued; + int issued, new_issued, info_caps; struct timespec mtime, atime, ctime; struct ceph_buffer *xattr_blob = NULL; struct ceph_string *pool_ns = NULL; @@ -754,8 +754,10 @@ static int fill_inode(struct inode *inode, struct page *locked_page, inode, ceph_vinop(inode), le64_to_cpu(info->version), ci->i_version); + info_caps = le32_to_cpu(info->cap.caps); + /* prealloc new cap struct */ - if (info->cap.caps && ceph_snap(inode) == CEPH_NOSNAP) + if (info_caps && ceph_snap(inode) == CEPH_NOSNAP) new_cap = ceph_get_cap(mdsc, caps_reservation); /* @@ -792,9 +794,9 @@ static int fill_inode(struct inode *inode, struct page *locked_page, le64_to_cpu(info->version) > (ci->i_version & ~1))) new_version = true; - issued = __ceph_caps_issued(ci, &implemented); - issued |= implemented | __ceph_caps_dirty(ci); - new_issued = ~issued & le32_to_cpu(info->cap.caps); + __ceph_caps_issued(ci, &issued); + issued |= __ceph_caps_dirty(ci); + new_issued = ~issued & info_caps; /* update inode */ inode->i_rdev = le32_to_cpu(info->rdev); @@ -826,6 +828,11 @@ static int fill_inode(struct inode *inode, struct page *locked_page, &ctime, &mtime, &atime); } + if (new_version || (info_caps & CEPH_CAP_FILE_SHARED)) { + ci->i_files = le64_to_cpu(info->files); + ci->i_subdirs = le64_to_cpu(info->subdirs); + } + if (new_version || (new_issued & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR))) { s64 old_pool = ci->i_layout.pool_id; @@ -854,6 +861,18 @@ static int fill_inode(struct inode *inode, struct page *locked_page, } } + /* layout and rstat are not tracked by capability, update them if + * the inode info is from auth mds */ + if (new_version || (info->cap.flags & CEPH_CAP_FLAG_AUTH)) { + if (S_ISDIR(inode->i_mode)) { + ci->i_dir_layout = iinfo->dir_layout; + ci->i_rbytes = le64_to_cpu(info->rbytes); + ci->i_rfiles = le64_to_cpu(info->rfiles); + ci->i_rsubdirs = le64_to_cpu(info->rsubdirs); + ceph_decode_timespec(&ci->i_rctime, &info->rctime); + } + } + /* xattrs */ /* note that if i_xattrs.len <= 4, i_xattrs.data will still be NULL. */ if ((ci->i_xattrs.version == 0 || !(issued & CEPH_CAP_XATTR_EXCL)) && @@ -870,7 +889,8 @@ static int fill_inode(struct inode *inode, struct page *locked_page, } /* finally update i_version */ - ci->i_version = le64_to_cpu(info->version); + if (le64_to_cpu(info->version) > ci->i_version) + ci->i_version = le64_to_cpu(info->version); inode->i_mapping->a_ops = &ceph_aops; @@ -918,15 +938,6 @@ static int fill_inode(struct inode *inode, struct page *locked_page, case S_IFDIR: inode->i_op = &ceph_dir_iops; inode->i_fop = &ceph_dir_fops; - - ci->i_dir_layout = iinfo->dir_layout; - - ci->i_files = le64_to_cpu(info->files); - ci->i_subdirs = le64_to_cpu(info->subdirs); - ci->i_rbytes = le64_to_cpu(info->rbytes); - ci->i_rfiles = le64_to_cpu(info->rfiles); - ci->i_rsubdirs = le64_to_cpu(info->rsubdirs); - ceph_decode_timespec(&ci->i_rctime, &info->rctime); break; default: pr_err("fill_inode %llx.%llx BAD mode 0%o\n", @@ -934,12 +945,11 @@ static int fill_inode(struct inode *inode, struct page *locked_page, } /* were we issued a capability? */ - if (info->cap.caps) { + if (info_caps) { if (ceph_snap(inode) == CEPH_NOSNAP) { - unsigned caps = le32_to_cpu(info->cap.caps); ceph_add_cap(inode, session, le64_to_cpu(info->cap.cap_id), - cap_fmode, caps, + cap_fmode, info_caps, le32_to_cpu(info->cap.wanted), le32_to_cpu(info->cap.seq), le32_to_cpu(info->cap.mseq), @@ -949,7 +959,7 @@ static int fill_inode(struct inode *inode, struct page *locked_page, /* set dir completion flag? */ if (S_ISDIR(inode->i_mode) && ci->i_files == 0 && ci->i_subdirs == 0 && - (caps & CEPH_CAP_FILE_SHARED) && + (info_caps & CEPH_CAP_FILE_SHARED) && (issued & CEPH_CAP_FILE_EXCL) == 0 && !__ceph_dir_is_complete(ci)) { dout(" marking %p complete (empty)\n", inode); @@ -962,8 +972,8 @@ static int fill_inode(struct inode *inode, struct page *locked_page, wake = true; } else { dout(" %p got snap_caps %s\n", inode, - ceph_cap_string(le32_to_cpu(info->cap.caps))); - ci->i_snap_caps |= le32_to_cpu(info->cap.caps); + ceph_cap_string(info_caps)); + ci->i_snap_caps |= info_caps; if (cap_fmode >= 0) __ceph_get_fmode(ci, cap_fmode); } @@ -978,8 +988,7 @@ static int fill_inode(struct inode *inode, struct page *locked_page, int cache_caps = CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_LAZYIO; ci->i_inline_version = iinfo->inline_version; if (ci->i_inline_version != CEPH_INLINE_NONE && - (locked_page || - (le32_to_cpu(info->cap.caps) & cache_caps))) + (locked_page || (info_caps & cache_caps))) fill_inline = true; } @@ -2178,6 +2187,7 @@ int __ceph_do_getattr(struct inode *inode, struct page *locked_page, struct ceph_fs_client *fsc = ceph_sb_to_client(inode->i_sb); struct ceph_mds_client *mdsc = fsc->mdsc; struct ceph_mds_request *req; + int mode; int err; if (ceph_snap(inode) == CEPH_SNAPDIR) { @@ -2190,7 +2200,8 @@ int __ceph_do_getattr(struct inode *inode, struct page *locked_page, if (!force && ceph_caps_issued_mask(ceph_inode(inode), mask, 1)) return 0; - req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_GETATTR, USE_ANY_MDS); + mode = (mask & CEPH_STAT_RSTAT) ? USE_AUTH_MDS : USE_ANY_MDS; + req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_GETATTR, mode); if (IS_ERR(req)) return PTR_ERR(req); req->r_inode = inode; @@ -2261,6 +2272,14 @@ int ceph_getattr(const struct path *path, struct kstat *stat, stat->size = ci->i_files + ci->i_subdirs; stat->blocks = 0; stat->blksize = 65536; + /* + * Some applications rely on the number of st_nlink + * value on directories to be either 0 (if unlinked) + * or 2 + number of subdirectories. + */ + if (stat->nlink == 1) + /* '.' + '..' + subdirs */ + stat->nlink = 1 + 1 + ci->i_subdirs; } } return err; diff --git a/fs/ceph/super.c b/fs/ceph/super.c index b33082e6878f..95a3b3ac9b6e 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -45,7 +45,7 @@ static void ceph_put_super(struct super_block *s) static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf) { struct ceph_fs_client *fsc = ceph_inode_to_client(d_inode(dentry)); - struct ceph_monmap *monmap = fsc->client->monc.monmap; + struct ceph_mon_client *monc = &fsc->client->monc; struct ceph_statfs st; u64 fsid; int err; @@ -58,7 +58,7 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf) } dout("statfs\n"); - err = ceph_monc_do_statfs(&fsc->client->monc, data_pool, &st); + err = ceph_monc_do_statfs(monc, data_pool, &st); if (err < 0) return err; @@ -94,8 +94,11 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_namelen = NAME_MAX; /* Must convert the fsid, for consistent values across arches */ - fsid = le64_to_cpu(*(__le64 *)(&monmap->fsid)) ^ - le64_to_cpu(*((__le64 *)&monmap->fsid + 1)); + mutex_lock(&monc->mutex); + fsid = le64_to_cpu(*(__le64 *)(&monc->monmap->fsid)) ^ + le64_to_cpu(*((__le64 *)&monc->monmap->fsid + 1)); + mutex_unlock(&monc->mutex); + buf->f_fsid.val[0] = fsid & 0xffffffff; buf->f_fsid.val[1] = fsid >> 32; @@ -256,19 +259,19 @@ static int parse_fsopt_token(char *c, void *private) break; /* misc */ case Opt_wsize: - if (intval < PAGE_SIZE || intval > CEPH_MAX_WRITE_SIZE) + if (intval < (int)PAGE_SIZE || intval > CEPH_MAX_WRITE_SIZE) return -EINVAL; fsopt->wsize = ALIGN(intval, PAGE_SIZE); break; case Opt_rsize: - if (intval < PAGE_SIZE || intval > CEPH_MAX_READ_SIZE) + if (intval < (int)PAGE_SIZE || intval > CEPH_MAX_READ_SIZE) return -EINVAL; fsopt->rsize = ALIGN(intval, PAGE_SIZE); break; case Opt_rasize: if (intval < 0) return -EINVAL; - fsopt->rasize = ALIGN(intval + PAGE_SIZE - 1, PAGE_SIZE); + fsopt->rasize = ALIGN(intval, PAGE_SIZE); break; case Opt_caps_wanted_delay_min: if (intval < 1) @@ -286,7 +289,7 @@ static int parse_fsopt_token(char *c, void *private) fsopt->max_readdir = intval; break; case Opt_readdir_max_bytes: - if (intval < PAGE_SIZE && intval != 0) + if (intval < (int)PAGE_SIZE && intval != 0) return -EINVAL; fsopt->max_readdir_bytes = intval; break; @@ -534,6 +537,8 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root) seq_puts(m, ",noasyncreaddir"); if ((fsopt->flags & CEPH_MOUNT_OPT_DCACHE) == 0) seq_puts(m, ",nodcache"); + if (fsopt->flags & CEPH_MOUNT_OPT_INO32) + seq_puts(m, ",ino32"); if (fsopt->flags & CEPH_MOUNT_OPT_FSCACHE) { seq_show_option(m, "fsc", fsopt->fscache_uniq); } @@ -551,7 +556,7 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root) if (fsopt->mds_namespace) seq_show_option(m, "mds_namespace", fsopt->mds_namespace); - if (fsopt->wsize) + if (fsopt->wsize != CEPH_MAX_WRITE_SIZE) seq_printf(m, ",wsize=%d", fsopt->wsize); if (fsopt->rsize != CEPH_MAX_READ_SIZE) seq_printf(m, ",rsize=%d", fsopt->rsize); @@ -616,7 +621,9 @@ static struct ceph_fs_client *create_fs_client(struct ceph_mount_options *fsopt, err = PTR_ERR(fsc->client); goto fail; } + fsc->client->extra_mon_dispatch = extra_mon_dispatch; + fsc->client->osdc.abort_on_full = true; if (!fsopt->mds_namespace) { ceph_monc_want_map(&fsc->client->monc, CEPH_SUB_MDSMAP, @@ -674,6 +681,13 @@ fail: return ERR_PTR(err); } +static void flush_fs_workqueues(struct ceph_fs_client *fsc) +{ + flush_workqueue(fsc->wb_wq); + flush_workqueue(fsc->pg_inv_wq); + flush_workqueue(fsc->trunc_wq); +} + static void destroy_fs_client(struct ceph_fs_client *fsc) { dout("destroy_fs_client %p\n", fsc); @@ -793,6 +807,7 @@ static void ceph_umount_begin(struct super_block *sb) if (!fsc) return; fsc->mount_state = CEPH_MOUNT_SHUTDOWN; + ceph_osdc_abort_requests(&fsc->client->osdc, -EIO); ceph_mdsc_force_umount(fsc->mdsc); return; } @@ -1088,6 +1103,8 @@ static void ceph_kill_sb(struct super_block *s) dout("kill_sb %p\n", s); ceph_mdsc_pre_umount(fsc->mdsc); + flush_fs_workqueues(fsc); + generic_shutdown_super(s); fsc->client->extra_mon_dispatch = NULL; diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 315f7e63e7cc..5bc8edb4c2a6 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -50,10 +50,14 @@ struct ceph_vxattr { size_t name_size; /* strlen(name) + 1 (for '\0') */ size_t (*getxattr_cb)(struct ceph_inode_info *ci, char *val, size_t size); - bool readonly, hidden; bool (*exists_cb)(struct ceph_inode_info *ci); + unsigned int flags; }; +#define VXATTR_FLAG_READONLY (1<<0) +#define VXATTR_FLAG_HIDDEN (1<<1) +#define VXATTR_FLAG_RSTAT (1<<2) + /* layouts */ static bool ceph_vxattrcb_layout_exists(struct ceph_inode_info *ci) @@ -262,32 +266,31 @@ static size_t ceph_vxattrcb_quota_max_files(struct ceph_inode_info *ci, #define CEPH_XATTR_NAME2(_type, _name, _name2) \ XATTR_CEPH_PREFIX #_type "." #_name "." #_name2 -#define XATTR_NAME_CEPH(_type, _name) \ +#define XATTR_NAME_CEPH(_type, _name, _flags) \ { \ .name = CEPH_XATTR_NAME(_type, _name), \ .name_size = sizeof (CEPH_XATTR_NAME(_type, _name)), \ .getxattr_cb = ceph_vxattrcb_ ## _type ## _ ## _name, \ - .readonly = true, \ - .hidden = false, \ - .exists_cb = NULL, \ + .exists_cb = NULL, \ + .flags = (VXATTR_FLAG_READONLY | _flags), \ } +#define XATTR_RSTAT_FIELD(_type, _name) \ + XATTR_NAME_CEPH(_type, _name, VXATTR_FLAG_RSTAT) #define XATTR_LAYOUT_FIELD(_type, _name, _field) \ { \ .name = CEPH_XATTR_NAME2(_type, _name, _field), \ .name_size = sizeof (CEPH_XATTR_NAME2(_type, _name, _field)), \ .getxattr_cb = ceph_vxattrcb_ ## _name ## _ ## _field, \ - .readonly = false, \ - .hidden = true, \ .exists_cb = ceph_vxattrcb_layout_exists, \ + .flags = VXATTR_FLAG_HIDDEN, \ } #define XATTR_QUOTA_FIELD(_type, _name) \ { \ .name = CEPH_XATTR_NAME(_type, _name), \ .name_size = sizeof(CEPH_XATTR_NAME(_type, _name)), \ .getxattr_cb = ceph_vxattrcb_ ## _type ## _ ## _name, \ - .readonly = false, \ - .hidden = true, \ .exists_cb = ceph_vxattrcb_quota_exists, \ + .flags = VXATTR_FLAG_HIDDEN, \ } static struct ceph_vxattr ceph_dir_vxattrs[] = { @@ -295,30 +298,28 @@ static struct ceph_vxattr ceph_dir_vxattrs[] = { .name = "ceph.dir.layout", .name_size = sizeof("ceph.dir.layout"), .getxattr_cb = ceph_vxattrcb_layout, - .readonly = false, - .hidden = true, .exists_cb = ceph_vxattrcb_layout_exists, + .flags = VXATTR_FLAG_HIDDEN, }, XATTR_LAYOUT_FIELD(dir, layout, stripe_unit), XATTR_LAYOUT_FIELD(dir, layout, stripe_count), XATTR_LAYOUT_FIELD(dir, layout, object_size), XATTR_LAYOUT_FIELD(dir, layout, pool), XATTR_LAYOUT_FIELD(dir, layout, pool_namespace), - XATTR_NAME_CEPH(dir, entries), - XATTR_NAME_CEPH(dir, files), - XATTR_NAME_CEPH(dir, subdirs), - XATTR_NAME_CEPH(dir, rentries), - XATTR_NAME_CEPH(dir, rfiles), - XATTR_NAME_CEPH(dir, rsubdirs), - XATTR_NAME_CEPH(dir, rbytes), - XATTR_NAME_CEPH(dir, rctime), + XATTR_NAME_CEPH(dir, entries, 0), + XATTR_NAME_CEPH(dir, files, 0), + XATTR_NAME_CEPH(dir, subdirs, 0), + XATTR_RSTAT_FIELD(dir, rentries), + XATTR_RSTAT_FIELD(dir, rfiles), + XATTR_RSTAT_FIELD(dir, rsubdirs), + XATTR_RSTAT_FIELD(dir, rbytes), + XATTR_RSTAT_FIELD(dir, rctime), { .name = "ceph.quota", .name_size = sizeof("ceph.quota"), .getxattr_cb = ceph_vxattrcb_quota, - .readonly = false, - .hidden = true, .exists_cb = ceph_vxattrcb_quota_exists, + .flags = VXATTR_FLAG_HIDDEN, }, XATTR_QUOTA_FIELD(quota, max_bytes), XATTR_QUOTA_FIELD(quota, max_files), @@ -333,9 +334,8 @@ static struct ceph_vxattr ceph_file_vxattrs[] = { .name = "ceph.file.layout", .name_size = sizeof("ceph.file.layout"), .getxattr_cb = ceph_vxattrcb_layout, - .readonly = false, - .hidden = true, .exists_cb = ceph_vxattrcb_layout_exists, + .flags = VXATTR_FLAG_HIDDEN, }, XATTR_LAYOUT_FIELD(file, layout, stripe_unit), XATTR_LAYOUT_FIELD(file, layout, stripe_count), @@ -374,9 +374,10 @@ static size_t __init vxattrs_name_size(struct ceph_vxattr *vxattrs) struct ceph_vxattr *vxattr; size_t size = 0; - for (vxattr = vxattrs; vxattr->name; vxattr++) - if (!vxattr->hidden) + for (vxattr = vxattrs; vxattr->name; vxattr++) { + if (!(vxattr->flags & VXATTR_FLAG_HIDDEN)) size += vxattr->name_size; + } return size; } @@ -809,7 +810,10 @@ ssize_t __ceph_getxattr(struct inode *inode, const char *name, void *value, /* let's see if a virtual xattr was requested */ vxattr = ceph_match_vxattr(inode, name); if (vxattr) { - err = ceph_do_getattr(inode, 0, true); + int mask = 0; + if (vxattr->flags & VXATTR_FLAG_RSTAT) + mask |= CEPH_STAT_RSTAT; + err = ceph_do_getattr(inode, mask, true); if (err) return err; err = -ENODATA; @@ -919,7 +923,7 @@ ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size) err = namelen; if (vxattrs) { for (i = 0; vxattrs[i].name; i++) { - if (!vxattrs[i].hidden && + if (!(vxattrs[i].flags & VXATTR_FLAG_HIDDEN) && !(vxattrs[i].exists_cb && !vxattrs[i].exists_cb(ci))) { len = sprintf(names, "%s", vxattrs[i].name); @@ -1024,7 +1028,7 @@ int __ceph_setxattr(struct inode *inode, const char *name, vxattr = ceph_match_vxattr(inode, name); if (vxattr) { - if (vxattr->readonly) + if (vxattr->flags & VXATTR_FLAG_READONLY) return -EOPNOTSUPP; if (value && !strncmp(vxattr->name, "ceph.quota", 10)) check_realm = true; |