diff options
Diffstat (limited to 'fs/nilfs2')
-rw-r--r-- | fs/nilfs2/btnode.c | 7 | ||||
-rw-r--r-- | fs/nilfs2/cpfile.c | 2 | ||||
-rw-r--r-- | fs/nilfs2/dir.c | 2 | ||||
-rw-r--r-- | fs/nilfs2/file.c | 6 | ||||
-rw-r--r-- | fs/nilfs2/gcinode.c | 2 | ||||
-rw-r--r-- | fs/nilfs2/inode.c | 4 | ||||
-rw-r--r-- | fs/nilfs2/ioctl.c | 39 | ||||
-rw-r--r-- | fs/nilfs2/mdt.c | 6 | ||||
-rw-r--r-- | fs/nilfs2/namei.c | 6 | ||||
-rw-r--r-- | fs/nilfs2/nilfs.h | 14 | ||||
-rw-r--r-- | fs/nilfs2/segment.c | 17 | ||||
-rw-r--r-- | fs/nilfs2/super.c | 4 |
12 files changed, 57 insertions, 52 deletions
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c index c668bca579c..84c25382f8e 100644 --- a/fs/nilfs2/btnode.c +++ b/fs/nilfs2/btnode.c @@ -36,6 +36,7 @@ void nilfs_btnode_cache_init_once(struct address_space *btnc) { + memset(btnc, 0, sizeof(*btnc)); INIT_RADIX_TREE(&btnc->page_tree, GFP_ATOMIC); spin_lock_init(&btnc->tree_lock); INIT_LIST_HEAD(&btnc->private_list); @@ -46,7 +47,7 @@ void nilfs_btnode_cache_init_once(struct address_space *btnc) INIT_LIST_HEAD(&btnc->i_mmap_nonlinear); } -static struct address_space_operations def_btnode_aops = { +static const struct address_space_operations def_btnode_aops = { .sync_page = block_sync_page, }; @@ -86,6 +87,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr, brelse(bh); BUG(); } + memset(bh->b_data, 0, 1 << inode->i_blkbits); bh->b_bdev = NILFS_I_NILFS(inode)->ns_bdev; bh->b_blocknr = blocknr; set_buffer_mapped(bh); @@ -275,8 +277,7 @@ void nilfs_btnode_commit_change_key(struct address_space *btnc, "invalid oldkey %lld (newkey=%lld)", (unsigned long long)oldkey, (unsigned long long)newkey); - if (!test_set_buffer_dirty(obh) && TestSetPageDirty(opage)) - BUG(); + nilfs_btnode_mark_dirty(obh); spin_lock_irq(&btnc->tree_lock); radix_tree_delete(&btnc->page_tree, oldkey); diff --git a/fs/nilfs2/cpfile.c b/fs/nilfs2/cpfile.c index 1c6cfb59128..3f5d5d06f53 100644 --- a/fs/nilfs2/cpfile.c +++ b/fs/nilfs2/cpfile.c @@ -871,7 +871,6 @@ int nilfs_cpfile_change_cpmode(struct inode *cpfile, __u64 cno, int mode) * exclusive with a new mount job. Though it doesn't cover * umount, it's enough for the purpose. */ - mutex_lock(&nilfs->ns_mount_mutex); if (nilfs_checkpoint_is_mounted(nilfs, cno, 1)) { /* Current implementation does not have to protect plain read-only mounts since they are exclusive @@ -880,7 +879,6 @@ int nilfs_cpfile_change_cpmode(struct inode *cpfile, __u64 cno, int mode) ret = -EBUSY; } else ret = nilfs_cpfile_clear_snapshot(cpfile, cno); - mutex_unlock(&nilfs->ns_mount_mutex); return ret; case NILFS_SNAPSHOT: return nilfs_cpfile_set_snapshot(cpfile, cno); diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c index 1a4fa04cf07..e097099bfc8 100644 --- a/fs/nilfs2/dir.c +++ b/fs/nilfs2/dir.c @@ -697,7 +697,7 @@ not_empty: return 0; } -struct file_operations nilfs_dir_operations = { +const struct file_operations nilfs_dir_operations = { .llseek = generic_file_llseek, .read = generic_read_dir, .readdir = nilfs_readdir, diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c index 6bd84a0d823..30292df443c 100644 --- a/fs/nilfs2/file.c +++ b/fs/nilfs2/file.c @@ -117,7 +117,7 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) return 0; } -struct vm_operations_struct nilfs_file_vm_ops = { +static const struct vm_operations_struct nilfs_file_vm_ops = { .fault = filemap_fault, .page_mkwrite = nilfs_page_mkwrite, }; @@ -134,7 +134,7 @@ static int nilfs_file_mmap(struct file *file, struct vm_area_struct *vma) * We have mostly NULL's here: the current defaults are ok for * the nilfs filesystem. */ -struct file_operations nilfs_file_operations = { +const struct file_operations nilfs_file_operations = { .llseek = generic_file_llseek, .read = do_sync_read, .write = do_sync_write, @@ -151,7 +151,7 @@ struct file_operations nilfs_file_operations = { .splice_read = generic_file_splice_read, }; -struct inode_operations nilfs_file_inode_operations = { +const struct inode_operations nilfs_file_inode_operations = { .truncate = nilfs_truncate, .setattr = nilfs_setattr, .permission = nilfs_permission, diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c index 1b3c2bb20da..e6de0a27ab5 100644 --- a/fs/nilfs2/gcinode.c +++ b/fs/nilfs2/gcinode.c @@ -52,7 +52,7 @@ #include "dat.h" #include "ifile.h" -static struct address_space_operations def_gcinode_aops = { +static const struct address_space_operations def_gcinode_aops = { .sync_page = block_sync_page, }; diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index 807e584b163..2a0a5a3ac13 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -238,7 +238,7 @@ nilfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, return size; } -struct address_space_operations nilfs_aops = { +const struct address_space_operations nilfs_aops = { .writepage = nilfs_writepage, .readpage = nilfs_readpage, .sync_page = block_sync_page, @@ -400,6 +400,7 @@ int nilfs_read_inode_common(struct inode *inode, ii->i_dir_acl = S_ISREG(inode->i_mode) ? 0 : le32_to_cpu(raw_inode->i_dir_acl); #endif + ii->i_dir_start_lookup = 0; ii->i_cno = 0; inode->i_generation = le32_to_cpu(raw_inode->i_generation); @@ -663,7 +664,6 @@ int nilfs_load_inode_block(struct nilfs_sb_info *sbi, struct inode *inode, int err; spin_lock(&sbi->s_inode_lock); - /* Caller of this function MUST lock s_inode_lock */ if (ii->i_bh == NULL) { spin_unlock(&sbi->s_inode_lock); err = nilfs_ifile_get_inode_block(sbi->s_ifile, inode->i_ino, diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 6572ea4bc4d..f6af76042d8 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -99,7 +99,8 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs, static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp, unsigned int cmd, void __user *argp) { - struct inode *cpfile = NILFS_SB(inode->i_sb)->s_nilfs->ns_cpfile; + struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + struct inode *cpfile = nilfs->ns_cpfile; struct nilfs_transaction_info ti; struct nilfs_cpmode cpmode; int ret; @@ -109,14 +110,17 @@ static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp, if (copy_from_user(&cpmode, argp, sizeof(cpmode))) return -EFAULT; + mutex_lock(&nilfs->ns_mount_mutex); nilfs_transaction_begin(inode->i_sb, &ti, 0); ret = nilfs_cpfile_change_cpmode( cpfile, cpmode.cm_cno, cpmode.cm_mode); if (unlikely(ret < 0)) { nilfs_transaction_abort(inode->i_sb); + mutex_unlock(&nilfs->ns_mount_mutex); return ret; } nilfs_transaction_commit(inode->i_sb); /* never fails */ + mutex_unlock(&nilfs->ns_mount_mutex); return ret; } @@ -297,7 +301,18 @@ static int nilfs_ioctl_move_inode_block(struct inode *inode, (unsigned long long)vdesc->vd_vblocknr); return ret; } - bh->b_private = vdesc; + if (unlikely(!list_empty(&bh->b_assoc_buffers))) { + printk(KERN_CRIT "%s: conflicting %s buffer: ino=%llu, " + "cno=%llu, offset=%llu, blocknr=%llu, vblocknr=%llu\n", + __func__, vdesc->vd_flags ? "node" : "data", + (unsigned long long)vdesc->vd_ino, + (unsigned long long)vdesc->vd_cno, + (unsigned long long)vdesc->vd_offset, + (unsigned long long)vdesc->vd_blocknr, + (unsigned long long)vdesc->vd_vblocknr); + brelse(bh); + return -EEXIST; + } list_add_tail(&bh->b_assoc_buffers, buffers); return 0; } @@ -335,24 +350,10 @@ static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs, list_for_each_entry_safe(bh, n, &buffers, b_assoc_buffers) { ret = nilfs_gccache_wait_and_mark_dirty(bh); if (unlikely(ret < 0)) { - if (ret == -EEXIST) { - vdesc = bh->b_private; - printk(KERN_CRIT - "%s: conflicting %s buffer: " - "ino=%llu, cno=%llu, offset=%llu, " - "blocknr=%llu, vblocknr=%llu\n", - __func__, - vdesc->vd_flags ? "node" : "data", - (unsigned long long)vdesc->vd_ino, - (unsigned long long)vdesc->vd_cno, - (unsigned long long)vdesc->vd_offset, - (unsigned long long)vdesc->vd_blocknr, - (unsigned long long)vdesc->vd_vblocknr); - } + WARN_ON(ret == -EEXIST); goto failed; } list_del_init(&bh->b_assoc_buffers); - bh->b_private = NULL; brelse(bh); } return nmembs; @@ -360,7 +361,6 @@ static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs, failed: list_for_each_entry_safe(bh, n, &buffers, b_assoc_buffers) { list_del_init(&bh->b_assoc_buffers); - bh->b_private = NULL; brelse(bh); } return ret; @@ -471,7 +471,6 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs, return 0; failed: - nilfs_remove_all_gcinode(nilfs); printk(KERN_ERR "NILFS: GC failed during preparation: %s: err=%d\n", msg, ret); return ret; @@ -560,6 +559,8 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp, else ret = nilfs_clean_segments(inode->i_sb, argv, kbufs); + if (ret < 0) + nilfs_remove_all_gcinode(nilfs); clear_nilfs_gc_running(nilfs); out_free: diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c index 156bf6091a9..f6326112d64 100644 --- a/fs/nilfs2/mdt.c +++ b/fs/nilfs2/mdt.c @@ -427,13 +427,13 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc) } -static struct address_space_operations def_mdt_aops = { +static const struct address_space_operations def_mdt_aops = { .writepage = nilfs_mdt_write_page, .sync_page = block_sync_page, }; -static struct inode_operations def_mdt_iops; -static struct file_operations def_mdt_fops; +static const struct inode_operations def_mdt_iops; +static const struct file_operations def_mdt_fops; /* * NILFS2 uses pseudo inodes for meta data files such as DAT, cpfile, sufile, diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index df70dadb336..ed02e886fa7 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -448,7 +448,7 @@ out: return err; } -struct inode_operations nilfs_dir_inode_operations = { +const struct inode_operations nilfs_dir_inode_operations = { .create = nilfs_create, .lookup = nilfs_lookup, .link = nilfs_link, @@ -462,12 +462,12 @@ struct inode_operations nilfs_dir_inode_operations = { .permission = nilfs_permission, }; -struct inode_operations nilfs_special_inode_operations = { +const struct inode_operations nilfs_special_inode_operations = { .setattr = nilfs_setattr, .permission = nilfs_permission, }; -struct inode_operations nilfs_symlink_inode_operations = { +const struct inode_operations nilfs_symlink_inode_operations = { .readlink = generic_readlink, .follow_link = page_follow_link_light, .put_link = page_put_link, diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index 724c63766e8..4da6f67e9a9 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -294,13 +294,13 @@ void nilfs_clear_gcdat_inode(struct the_nilfs *); /* * Inodes and files operations */ -extern struct file_operations nilfs_dir_operations; -extern struct inode_operations nilfs_file_inode_operations; -extern struct file_operations nilfs_file_operations; -extern struct address_space_operations nilfs_aops; -extern struct inode_operations nilfs_dir_inode_operations; -extern struct inode_operations nilfs_special_inode_operations; -extern struct inode_operations nilfs_symlink_inode_operations; +extern const struct file_operations nilfs_dir_operations; +extern const struct inode_operations nilfs_file_inode_operations; +extern const struct file_operations nilfs_file_operations; +extern const struct address_space_operations nilfs_aops; +extern const struct inode_operations nilfs_dir_inode_operations; +extern const struct inode_operations nilfs_special_inode_operations; +extern const struct inode_operations nilfs_symlink_inode_operations; /* * filesystem type diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 683df89dbae..6eff66a070d 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -2468,17 +2468,22 @@ static void nilfs_segctor_notify(struct nilfs_sc_info *sci, /* Clear requests (even when the construction failed) */ spin_lock(&sci->sc_state_lock); - sci->sc_state &= ~NILFS_SEGCTOR_COMMIT; - if (req->mode == SC_LSEG_SR) { + sci->sc_state &= ~NILFS_SEGCTOR_COMMIT; sci->sc_seq_done = req->seq_accepted; nilfs_segctor_wakeup(sci, req->sc_err ? : req->sb_err); sci->sc_flush_request = 0; - } else if (req->mode == SC_FLUSH_FILE) - sci->sc_flush_request &= ~FLUSH_FILE_BIT; - else if (req->mode == SC_FLUSH_DAT) - sci->sc_flush_request &= ~FLUSH_DAT_BIT; + } else { + if (req->mode == SC_FLUSH_FILE) + sci->sc_flush_request &= ~FLUSH_FILE_BIT; + else if (req->mode == SC_FLUSH_DAT) + sci->sc_flush_request &= ~FLUSH_DAT_BIT; + /* re-enable timer if checkpoint creation was not done */ + if (sci->sc_timer && (sci->sc_state & NILFS_SEGCTOR_COMMIT) && + time_before(jiffies, sci->sc_timer->expires)) + add_timer(sci->sc_timer); + } spin_unlock(&sci->sc_state_lock); } diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 55f3d6b6073..644e66727dd 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -504,7 +504,7 @@ static int nilfs_show_options(struct seq_file *seq, struct vfsmount *vfs) return 0; } -static struct super_operations nilfs_sops = { +static const struct super_operations nilfs_sops = { .alloc_inode = nilfs_alloc_inode, .destroy_inode = nilfs_destroy_inode, .dirty_inode = nilfs_dirty_inode, @@ -560,7 +560,7 @@ nilfs_fh_to_parent(struct super_block *sb, struct fid *fid, int fh_len, nilfs_nfs_get_inode); } -static struct export_operations nilfs_export_ops = { +static const struct export_operations nilfs_export_ops = { .fh_to_dentry = nilfs_fh_to_dentry, .fh_to_parent = nilfs_fh_to_parent, .get_parent = nilfs_get_parent, |