diff options
Diffstat (limited to 'fs/ceph')
-rw-r--r-- | fs/ceph/addr.c | 15 | ||||
-rw-r--r-- | fs/ceph/dir.c | 99 | ||||
-rw-r--r-- | fs/ceph/file.c | 11 | ||||
-rw-r--r-- | fs/ceph/inode.c | 4 | ||||
-rw-r--r-- | fs/ceph/locks.c | 2 | ||||
-rw-r--r-- | fs/ceph/mds_client.c | 10 |
6 files changed, 65 insertions, 76 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index afb2fc241061..5318a3b704f6 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -143,7 +143,8 @@ static int ceph_set_page_dirty(struct page *page) * dirty page counters appropriately. Only called if there is private * data on the page. */ -static void ceph_invalidatepage(struct page *page, unsigned long offset) +static void ceph_invalidatepage(struct page *page, unsigned int offset, + unsigned int length) { struct inode *inode; struct ceph_inode_info *ci; @@ -163,20 +164,20 @@ static void ceph_invalidatepage(struct page *page, unsigned long offset) if (!PageDirty(page)) pr_err("%p invalidatepage %p page not dirty\n", inode, page); - if (offset == 0) + if (offset == 0 && length == PAGE_CACHE_SIZE) ClearPageChecked(page); ci = ceph_inode(inode); - if (offset == 0) { - dout("%p invalidatepage %p idx %lu full dirty page %lu\n", - inode, page, page->index, offset); + if (offset == 0 && length == PAGE_CACHE_SIZE) { + dout("%p invalidatepage %p idx %lu full dirty page\n", + inode, page, page->index); ceph_put_wrbuffer_cap_refs(ci, 1, snapc); ceph_put_snap_context(snapc); page->private = 0; ClearPagePrivate(page); } else { - dout("%p invalidatepage %p idx %lu partial dirty page\n", - inode, page, page->index); + dout("%p invalidatepage %p idx %lu partial dirty page %u(%u)\n", + inode, page, page->index, offset, length); } } diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index f02d82b7933e..a40ceda47a32 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -111,11 +111,10 @@ static unsigned fpos_off(loff_t p) * defined IFF we hold CEPH_CAP_FILE_SHARED (which will be revoked by * the MDS if/when the directory is modified). */ -static int __dcache_readdir(struct file *filp, - void *dirent, filldir_t filldir) +static int __dcache_readdir(struct file *file, struct dir_context *ctx) { - struct ceph_file_info *fi = filp->private_data; - struct dentry *parent = filp->f_dentry; + struct ceph_file_info *fi = file->private_data; + struct dentry *parent = file->f_dentry; struct inode *dir = parent->d_inode; struct list_head *p; struct dentry *dentry, *last; @@ -126,14 +125,14 @@ static int __dcache_readdir(struct file *filp, last = fi->dentry; fi->dentry = NULL; - dout("__dcache_readdir %p at %llu (last %p)\n", dir, filp->f_pos, + dout("__dcache_readdir %p at %llu (last %p)\n", dir, ctx->pos, last); spin_lock(&parent->d_lock); /* start at beginning? */ - if (filp->f_pos == 2 || last == NULL || - filp->f_pos < ceph_dentry(last)->offset) { + if (ctx->pos == 2 || last == NULL || + ctx->pos < ceph_dentry(last)->offset) { if (list_empty(&parent->d_subdirs)) goto out_unlock; p = parent->d_subdirs.prev; @@ -157,11 +156,11 @@ more: if (!d_unhashed(dentry) && dentry->d_inode && ceph_snap(dentry->d_inode) != CEPH_SNAPDIR && ceph_ino(dentry->d_inode) != CEPH_INO_CEPH && - filp->f_pos <= di->offset) + ctx->pos <= di->offset) break; dout(" skipping %p %.*s at %llu (%llu)%s%s\n", dentry, dentry->d_name.len, dentry->d_name.name, di->offset, - filp->f_pos, d_unhashed(dentry) ? " unhashed" : "", + ctx->pos, d_unhashed(dentry) ? " unhashed" : "", !dentry->d_inode ? " null" : ""); spin_unlock(&dentry->d_lock); p = p->prev; @@ -173,29 +172,27 @@ more: spin_unlock(&dentry->d_lock); spin_unlock(&parent->d_lock); - dout(" %llu (%llu) dentry %p %.*s %p\n", di->offset, filp->f_pos, + dout(" %llu (%llu) dentry %p %.*s %p\n", di->offset, ctx->pos, dentry, dentry->d_name.len, dentry->d_name.name, dentry->d_inode); - filp->f_pos = di->offset; - err = filldir(dirent, dentry->d_name.name, - dentry->d_name.len, di->offset, + ctx->pos = di->offset; + if (!dir_emit(ctx, dentry->d_name.name, + dentry->d_name.len, ceph_translate_ino(dentry->d_sb, dentry->d_inode->i_ino), - dentry->d_inode->i_mode >> 12); - - if (last) { - if (err < 0) { + dentry->d_inode->i_mode >> 12)) { + if (last) { /* remember our position */ fi->dentry = last; fi->next_offset = di->offset; - } else { - dput(last); } + dput(dentry); + return 0; } - last = dentry; - if (err < 0) - goto out; + if (last) + dput(last); + last = dentry; - filp->f_pos++; + ctx->pos++; /* make sure a dentry wasn't dropped while we didn't have parent lock */ if (!ceph_dir_is_complete(dir)) { @@ -235,59 +232,59 @@ static int note_last_dentry(struct ceph_file_info *fi, const char *name, return 0; } -static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir) +static int ceph_readdir(struct file *file, struct dir_context *ctx) { - struct ceph_file_info *fi = filp->private_data; - struct inode *inode = file_inode(filp); + struct ceph_file_info *fi = file->private_data; + struct inode *inode = file_inode(file); struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_fs_client *fsc = ceph_inode_to_client(inode); struct ceph_mds_client *mdsc = fsc->mdsc; - unsigned frag = fpos_frag(filp->f_pos); - int off = fpos_off(filp->f_pos); + unsigned frag = fpos_frag(ctx->pos); + int off = fpos_off(ctx->pos); int err; u32 ftype; struct ceph_mds_reply_info_parsed *rinfo; const int max_entries = fsc->mount_options->max_readdir; const int max_bytes = fsc->mount_options->max_readdir_bytes; - dout("readdir %p filp %p frag %u off %u\n", inode, filp, frag, off); + dout("readdir %p file %p frag %u off %u\n", inode, file, frag, off); if (fi->flags & CEPH_F_ATEND) return 0; /* always start with . and .. */ - if (filp->f_pos == 0) { + if (ctx->pos == 0) { /* note dir version at start of readdir so we can tell * if any dentries get dropped */ fi->dir_release_count = atomic_read(&ci->i_release_count); dout("readdir off 0 -> '.'\n"); - if (filldir(dirent, ".", 1, ceph_make_fpos(0, 0), + if (!dir_emit(ctx, ".", 1, ceph_translate_ino(inode->i_sb, inode->i_ino), - inode->i_mode >> 12) < 0) + inode->i_mode >> 12)) return 0; - filp->f_pos = 1; + ctx->pos = 1; off = 1; } - if (filp->f_pos == 1) { - ino_t ino = parent_ino(filp->f_dentry); + if (ctx->pos == 1) { + ino_t ino = parent_ino(file->f_dentry); dout("readdir off 1 -> '..'\n"); - if (filldir(dirent, "..", 2, ceph_make_fpos(0, 1), + if (!dir_emit(ctx, "..", 2, ceph_translate_ino(inode->i_sb, ino), - inode->i_mode >> 12) < 0) + inode->i_mode >> 12)) return 0; - filp->f_pos = 2; + ctx->pos = 2; off = 2; } /* can we use the dcache? */ spin_lock(&ci->i_ceph_lock); - if ((filp->f_pos == 2 || fi->dentry) && + if ((ctx->pos == 2 || fi->dentry) && !ceph_test_mount_opt(fsc, NOASYNCREADDIR) && ceph_snap(inode) != CEPH_SNAPDIR && __ceph_dir_is_complete(ci) && __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1)) { spin_unlock(&ci->i_ceph_lock); - err = __dcache_readdir(filp, dirent, filldir); + err = __dcache_readdir(file, ctx); if (err != -EAGAIN) return err; } else { @@ -327,7 +324,7 @@ more: return PTR_ERR(req); req->r_inode = inode; ihold(inode); - req->r_dentry = dget(filp->f_dentry); + req->r_dentry = dget(file->f_dentry); /* hints to request -> mds selection code */ req->r_direct_mode = USE_AUTH_MDS; req->r_direct_hash = ceph_frag_value(frag); @@ -379,15 +376,16 @@ more: rinfo = &fi->last_readdir->r_reply_info; dout("readdir frag %x num %d off %d chunkoff %d\n", frag, rinfo->dir_nr, off, fi->offset); + + ctx->pos = ceph_make_fpos(frag, off); while (off >= fi->offset && off - fi->offset < rinfo->dir_nr) { - u64 pos = ceph_make_fpos(frag, off); struct ceph_mds_reply_inode *in = rinfo->dir_in[off - fi->offset].in; struct ceph_vino vino; ino_t ino; dout("readdir off %d (%d/%d) -> %lld '%.*s' %p\n", - off, off - fi->offset, rinfo->dir_nr, pos, + off, off - fi->offset, rinfo->dir_nr, ctx->pos, rinfo->dir_dname_len[off - fi->offset], rinfo->dir_dname[off - fi->offset], in); BUG_ON(!in); @@ -395,16 +393,15 @@ more: vino.ino = le64_to_cpu(in->ino); vino.snap = le64_to_cpu(in->snapid); ino = ceph_vino_to_ino(vino); - if (filldir(dirent, + if (!dir_emit(ctx, rinfo->dir_dname[off - fi->offset], rinfo->dir_dname_len[off - fi->offset], - pos, - ceph_translate_ino(inode->i_sb, ino), ftype) < 0) { + ceph_translate_ino(inode->i_sb, ino), ftype)) { dout("filldir stopping us...\n"); return 0; } off++; - filp->f_pos = pos + 1; + ctx->pos++; } if (fi->last_name) { @@ -417,7 +414,7 @@ more: if (!ceph_frag_is_rightmost(frag)) { frag = ceph_frag_next(frag); off = 0; - filp->f_pos = ceph_make_fpos(frag, off); + ctx->pos = ceph_make_fpos(frag, off); dout("readdir next frag is %x\n", frag); goto more; } @@ -432,11 +429,11 @@ more: if (atomic_read(&ci->i_release_count) == fi->dir_release_count) { dout(" marking %p complete\n", inode); __ceph_dir_set_complete(ci, fi->dir_release_count); - ci->i_max_offset = filp->f_pos; + ci->i_max_offset = ctx->pos; } spin_unlock(&ci->i_ceph_lock); - dout("readdir %p filp %p done.\n", inode, filp); + dout("readdir %p file %p done.\n", inode, file); return 0; } @@ -1268,7 +1265,7 @@ unsigned ceph_dentry_hash(struct inode *dir, struct dentry *dn) const struct file_operations ceph_dir_fops = { .read = ceph_read_dir, - .readdir = ceph_readdir, + .iterate = ceph_readdir, .llseek = ceph_dir_llseek, .open = ceph_open, .release = ceph_release, diff --git a/fs/ceph/file.c b/fs/ceph/file.c index a44d5153179b..2ddf061c1c4a 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -864,16 +864,7 @@ static loff_t ceph_llseek(struct file *file, loff_t offset, int whence) break; } - if (offset < 0 || offset > inode->i_sb->s_maxbytes) { - offset = -EINVAL; - goto out; - } - - /* Special lock needed here? */ - if (offset != file->f_pos) { - file->f_pos = offset; - file->f_version = 0; - } + offset = vfs_setpos(file, offset, inode->i_sb->s_maxbytes); out: mutex_unlock(&inode->i_mutex); diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 4906ada4a97c..f3a2abf28a77 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -903,8 +903,8 @@ static struct dentry *splice_dentry(struct dentry *dn, struct inode *in, } else if (realdn) { dout("dn %p (%d) spliced with %p (%d) " "inode %p ino %llx.%llx\n", - dn, dn->d_count, - realdn, realdn->d_count, + dn, d_count(dn), + realdn, d_count(realdn), realdn->d_inode, ceph_vinop(realdn->d_inode)); dput(dn); dn = realdn; diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c index 89788515a63d..ae6d14e82b0f 100644 --- a/fs/ceph/locks.c +++ b/fs/ceph/locks.c @@ -192,7 +192,7 @@ void ceph_count_locks(struct inode *inode, int *fcntl_count, int *flock_count) /** * Encode the flock and fcntl locks for the given inode into the ceph_filelock - * array. Must be called with lock_flocks() already held. + * array. Must be called with inode->i_lock already held. * If we encounter more of a specific lock type than expected, return -ENOSPC. */ int ceph_encode_locks_to_buffer(struct inode *inode, diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 3eb1b4470c85..187bf214444d 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1554,7 +1554,7 @@ retry: *base = ceph_ino(temp->d_inode); *plen = len; dout("build_path on %p %d built %llx '%.*s'\n", - dentry, dentry->d_count, *base, len, path); + dentry, d_count(dentry), *base, len, path); return path; } @@ -2483,20 +2483,20 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap, struct ceph_filelock *flocks; encode_again: - lock_flocks(); + spin_lock(&inode->i_lock); ceph_count_locks(inode, &num_fcntl_locks, &num_flock_locks); - unlock_flocks(); + spin_unlock(&inode->i_lock); flocks = kmalloc((num_fcntl_locks+num_flock_locks) * sizeof(struct ceph_filelock), GFP_NOFS); if (!flocks) { err = -ENOMEM; goto out_free; } - lock_flocks(); + spin_lock(&inode->i_lock); err = ceph_encode_locks_to_buffer(inode, flocks, num_fcntl_locks, num_flock_locks); - unlock_flocks(); + spin_unlock(&inode->i_lock); if (err) { kfree(flocks); if (err == -ENOSPC) |