diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-18 22:33:38 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-18 22:33:38 -0700 |
commit | 5bab188a316718a26346cdb25c4cc6b319f8f907 (patch) | |
tree | 0316a8294b9709a55b0c5b2f1c1c0d3793d35c01 /fs | |
parent | a8c91da549f625d0600d5bd7e1831066b55edf0d (diff) | |
parent | 4d3cf1bc557dc8b88e1cabf1980b3baa3380a641 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2:
nilfs2: move NILFS_SUPER_MAGIC to linux/magic.h
nilfs2: get rid of nilfs_sb_info structure
nilfs2: use sb instance instead of nilfs_sb_info struct
nilfs2: get rid of sc_sbi back pointer
nilfs2: move log writer onto nilfs object
nilfs2: move next generation counter into nilfs object
nilfs2: move s_inode_lock and s_dirty_files into nilfs object
nilfs2: move parameters on nilfs_sb_info into nilfs object
nilfs2: move mount options to nilfs object
nilfs2: record used amount of each checkpoint in checkpoint list
nilfs2: optimize rec_len functions
nilfs2: append blocksize info to warnings during loading super blocks
nilfs2: add compat ioctl
nilfs2: implement FS_IOC_GETFLAGS/SETFLAGS/GETVERSION
nilfs2: tighten restrictions on inode flags
nilfs2: mark S_NOATIME on inodes only if NOATIME attribute is set
nilfs2: use common file attribute macros
nilfs2: add free entries count only if clear bit operation succeeded
nilfs2: decrement inodes count only if raw inode was successfully deleted
Diffstat (limited to 'fs')
-rw-r--r-- | fs/nilfs2/alloc.c | 12 | ||||
-rw-r--r-- | fs/nilfs2/bmap.c | 12 | ||||
-rw-r--r-- | fs/nilfs2/bmap.h | 3 | ||||
-rw-r--r-- | fs/nilfs2/btree.c | 6 | ||||
-rw-r--r-- | fs/nilfs2/dir.c | 5 | ||||
-rw-r--r-- | fs/nilfs2/direct.c | 4 | ||||
-rw-r--r-- | fs/nilfs2/file.c | 4 | ||||
-rw-r--r-- | fs/nilfs2/inode.c | 83 | ||||
-rw-r--r-- | fs/nilfs2/ioctl.c | 115 | ||||
-rw-r--r-- | fs/nilfs2/mdt.h | 2 | ||||
-rw-r--r-- | fs/nilfs2/namei.c | 2 | ||||
-rw-r--r-- | fs/nilfs2/nilfs.h | 33 | ||||
-rw-r--r-- | fs/nilfs2/recovery.c | 32 | ||||
-rw-r--r-- | fs/nilfs2/sb.h | 85 | ||||
-rw-r--r-- | fs/nilfs2/segment.c | 258 | ||||
-rw-r--r-- | fs/nilfs2/segment.h | 14 | ||||
-rw-r--r-- | fs/nilfs2/super.c | 214 | ||||
-rw-r--r-- | fs/nilfs2/the_nilfs.c | 44 | ||||
-rw-r--r-- | fs/nilfs2/the_nilfs.h | 51 |
19 files changed, 503 insertions, 476 deletions
diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c index d7fd696e595c..0a0a66d98cce 100644 --- a/fs/nilfs2/alloc.c +++ b/fs/nilfs2/alloc.c @@ -521,8 +521,8 @@ void nilfs_palloc_commit_free_entry(struct inode *inode, group_offset, bitmap)) printk(KERN_WARNING "%s: entry number %llu already freed\n", __func__, (unsigned long long)req->pr_entry_nr); - - nilfs_palloc_group_desc_add_entries(inode, group, desc, 1); + else + nilfs_palloc_group_desc_add_entries(inode, group, desc, 1); kunmap(req->pr_bitmap_bh->b_page); kunmap(req->pr_desc_bh->b_page); @@ -558,8 +558,8 @@ void nilfs_palloc_abort_alloc_entry(struct inode *inode, group_offset, bitmap)) printk(KERN_WARNING "%s: entry number %llu already freed\n", __func__, (unsigned long long)req->pr_entry_nr); - - nilfs_palloc_group_desc_add_entries(inode, group, desc, 1); + else + nilfs_palloc_group_desc_add_entries(inode, group, desc, 1); kunmap(req->pr_bitmap_bh->b_page); kunmap(req->pr_desc_bh->b_page); @@ -665,7 +665,7 @@ int nilfs_palloc_freev(struct inode *inode, __u64 *entry_nrs, size_t nitems) for (j = i, n = 0; (j < nitems) && nilfs_palloc_group_is_in(inode, group, entry_nrs[j]); - j++, n++) { + j++) { nilfs_palloc_group(inode, entry_nrs[j], &group_offset); if (!nilfs_clear_bit_atomic( nilfs_mdt_bgl_lock(inode, group), @@ -674,6 +674,8 @@ int nilfs_palloc_freev(struct inode *inode, __u64 *entry_nrs, size_t nitems) "%s: entry number %llu already freed\n", __func__, (unsigned long long)entry_nrs[j]); + } else { + n++; } } nilfs_palloc_group_desc_add_entries(inode, group, desc, n); diff --git a/fs/nilfs2/bmap.c b/fs/nilfs2/bmap.c index 3ee67c67cc52..4723f04e9b12 100644 --- a/fs/nilfs2/bmap.c +++ b/fs/nilfs2/bmap.c @@ -25,7 +25,6 @@ #include <linux/errno.h> #include "nilfs.h" #include "bmap.h" -#include "sb.h" #include "btree.h" #include "direct.h" #include "btnode.h" @@ -425,17 +424,6 @@ int nilfs_bmap_test_and_clear_dirty(struct nilfs_bmap *bmap) /* * Internal use only */ - -void nilfs_bmap_add_blocks(const struct nilfs_bmap *bmap, int n) -{ - inode_add_bytes(bmap->b_inode, (1 << bmap->b_inode->i_blkbits) * n); -} - -void nilfs_bmap_sub_blocks(const struct nilfs_bmap *bmap, int n) -{ - inode_sub_bytes(bmap->b_inode, (1 << bmap->b_inode->i_blkbits) * n); -} - __u64 nilfs_bmap_data_get_key(const struct nilfs_bmap *bmap, const struct buffer_head *bh) { diff --git a/fs/nilfs2/bmap.h b/fs/nilfs2/bmap.h index bde1c0aa2e15..40d9f453d31c 100644 --- a/fs/nilfs2/bmap.h +++ b/fs/nilfs2/bmap.h @@ -240,9 +240,6 @@ __u64 nilfs_bmap_data_get_key(const struct nilfs_bmap *, __u64 nilfs_bmap_find_target_seq(const struct nilfs_bmap *, __u64); __u64 nilfs_bmap_find_target_in_group(const struct nilfs_bmap *); -void nilfs_bmap_add_blocks(const struct nilfs_bmap *, int); -void nilfs_bmap_sub_blocks(const struct nilfs_bmap *, int); - /* Assume that bmap semaphore is locked. */ static inline int nilfs_bmap_dirty(const struct nilfs_bmap *bmap) diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index 300c2bc00c3f..d451ae0e0bf3 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -1174,7 +1174,7 @@ static int nilfs_btree_insert(struct nilfs_bmap *btree, __u64 key, __u64 ptr) if (ret < 0) goto out; nilfs_btree_commit_insert(btree, path, level, key, ptr); - nilfs_bmap_add_blocks(btree, stats.bs_nblocks); + nilfs_inode_add_blocks(btree->b_inode, stats.bs_nblocks); out: nilfs_btree_free_path(path); @@ -1511,7 +1511,7 @@ static int nilfs_btree_delete(struct nilfs_bmap *btree, __u64 key) if (ret < 0) goto out; nilfs_btree_commit_delete(btree, path, level, dat); - nilfs_bmap_sub_blocks(btree, stats.bs_nblocks); + nilfs_inode_sub_blocks(btree->b_inode, stats.bs_nblocks); out: nilfs_btree_free_path(path); @@ -1776,7 +1776,7 @@ int nilfs_btree_convert_and_insert(struct nilfs_bmap *btree, return ret; nilfs_btree_commit_convert_and_insert(btree, key, ptr, keys, ptrs, n, di, ni, bh); - nilfs_bmap_add_blocks(btree, stats.bs_nblocks); + nilfs_inode_add_blocks(btree->b_inode, stats.bs_nblocks); return 0; } diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c index 9d45773b79e6..3a1923943b14 100644 --- a/fs/nilfs2/dir.c +++ b/fs/nilfs2/dir.c @@ -440,7 +440,6 @@ void nilfs_set_link(struct inode *dir, struct nilfs_dir_entry *de, nilfs_commit_chunk(page, mapping, from, to); nilfs_put_page(page); dir->i_mtime = dir->i_ctime = CURRENT_TIME; -/* NILFS_I(dir)->i_flags &= ~NILFS_BTREE_FL; */ } /* @@ -531,7 +530,6 @@ got_it: nilfs_set_de_type(de, inode); nilfs_commit_chunk(page, page->mapping, from, to); dir->i_mtime = dir->i_ctime = CURRENT_TIME; -/* NILFS_I(dir)->i_flags &= ~NILFS_BTREE_FL; */ nilfs_mark_inode_dirty(dir); /* OFFSET_CACHE */ out_put: @@ -579,7 +577,6 @@ int nilfs_delete_entry(struct nilfs_dir_entry *dir, struct page *page) dir->inode = 0; nilfs_commit_chunk(page, mapping, from, to); inode->i_ctime = inode->i_mtime = CURRENT_TIME; -/* NILFS_I(inode)->i_flags &= ~NILFS_BTREE_FL; */ out: nilfs_put_page(page); return err; @@ -684,7 +681,7 @@ const struct file_operations nilfs_dir_operations = { .readdir = nilfs_readdir, .unlocked_ioctl = nilfs_ioctl, #ifdef CONFIG_COMPAT - .compat_ioctl = nilfs_ioctl, + .compat_ioctl = nilfs_compat_ioctl, #endif /* CONFIG_COMPAT */ .fsync = nilfs_sync_file, diff --git a/fs/nilfs2/direct.c b/fs/nilfs2/direct.c index 324d80c57518..82f4865e86dd 100644 --- a/fs/nilfs2/direct.c +++ b/fs/nilfs2/direct.c @@ -146,7 +146,7 @@ static int nilfs_direct_insert(struct nilfs_bmap *bmap, __u64 key, __u64 ptr) if (NILFS_BMAP_USE_VBN(bmap)) nilfs_bmap_set_target_v(bmap, key, req.bpr_ptr); - nilfs_bmap_add_blocks(bmap, 1); + nilfs_inode_add_blocks(bmap->b_inode, 1); } return ret; } @@ -168,7 +168,7 @@ static int nilfs_direct_delete(struct nilfs_bmap *bmap, __u64 key) if (!ret) { nilfs_bmap_commit_end_ptr(bmap, &req, dat); nilfs_direct_set_ptr(bmap, key, NILFS_BMAP_INVALID_PTR); - nilfs_bmap_sub_blocks(bmap, 1); + nilfs_inode_sub_blocks(bmap->b_inode, 1); } return ret; } diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c index 2f560c9fb808..93589fccdd97 100644 --- a/fs/nilfs2/file.c +++ b/fs/nilfs2/file.c @@ -59,7 +59,7 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) struct nilfs_transaction_info ti; int ret; - if (unlikely(nilfs_near_disk_full(NILFS_SB(inode->i_sb)->s_nilfs))) + if (unlikely(nilfs_near_disk_full(inode->i_sb->s_fs_info))) return VM_FAULT_SIGBUS; /* -ENOSPC */ lock_page(page); @@ -142,7 +142,7 @@ const struct file_operations nilfs_file_operations = { .aio_write = generic_file_aio_write, .unlocked_ioctl = nilfs_ioctl, #ifdef CONFIG_COMPAT - .compat_ioctl = nilfs_ioctl, + .compat_ioctl = nilfs_compat_ioctl, #endif /* CONFIG_COMPAT */ .mmap = nilfs_file_mmap, .open = generic_file_open, diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index 2fd440d8d6b8..d5625be236a8 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -41,6 +41,24 @@ struct nilfs_iget_args { int for_gc; }; +void nilfs_inode_add_blocks(struct inode *inode, int n) +{ + struct nilfs_root *root = NILFS_I(inode)->i_root; + + inode_add_bytes(inode, (1 << inode->i_blkbits) * n); + if (root) + atomic_add(n, &root->blocks_count); +} + +void nilfs_inode_sub_blocks(struct inode *inode, int n) +{ + struct nilfs_root *root = NILFS_I(inode)->i_root; + + inode_sub_bytes(inode, (1 << inode->i_blkbits) * n); + if (root) + atomic_sub(n, &root->blocks_count); +} + /** * nilfs_get_block() - get a file block on the filesystem (callback function) * @inode - inode struct of the target file @@ -277,7 +295,7 @@ const struct address_space_operations nilfs_aops = { struct inode *nilfs_new_inode(struct inode *dir, int mode) { struct super_block *sb = dir->i_sb; - struct nilfs_sb_info *sbi = NILFS_SB(sb); + struct the_nilfs *nilfs = sb->s_fs_info; struct inode *inode; struct nilfs_inode_info *ii; struct nilfs_root *root; @@ -315,19 +333,16 @@ struct inode *nilfs_new_inode(struct inode *dir, int mode) /* No lock is needed; iget() ensures it. */ } - ii->i_flags = NILFS_I(dir)->i_flags; - if (S_ISLNK(mode)) - ii->i_flags &= ~(NILFS_IMMUTABLE_FL | NILFS_APPEND_FL); - if (!S_ISDIR(mode)) - ii->i_flags &= ~NILFS_DIRSYNC_FL; + ii->i_flags = nilfs_mask_flags( + mode, NILFS_I(dir)->i_flags & NILFS_FL_INHERITED); /* ii->i_file_acl = 0; */ /* ii->i_dir_acl = 0; */ ii->i_dir_start_lookup = 0; nilfs_set_inode_flags(inode); - spin_lock(&sbi->s_next_gen_lock); - inode->i_generation = sbi->s_next_generation++; - spin_unlock(&sbi->s_next_gen_lock); + spin_lock(&nilfs->ns_next_gen_lock); + inode->i_generation = nilfs->ns_next_generation++; + spin_unlock(&nilfs->ns_next_gen_lock); insert_inode_hash(inode); err = nilfs_init_acl(inode, dir); @@ -359,17 +374,15 @@ void nilfs_set_inode_flags(struct inode *inode) inode->i_flags &= ~(S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME | S_DIRSYNC); - if (flags & NILFS_SYNC_FL) + if (flags & FS_SYNC_FL) inode->i_flags |= S_SYNC; - if (flags & NILFS_APPEND_FL) + if (flags & FS_APPEND_FL) inode->i_flags |= S_APPEND; - if (flags & NILFS_IMMUTABLE_FL) + if (flags & FS_IMMUTABLE_FL) inode->i_flags |= S_IMMUTABLE; -#ifndef NILFS_ATIME_DISABLE - if (flags & NILFS_NOATIME_FL) -#endif + if (flags & FS_NOATIME_FL) inode->i_flags |= S_NOATIME; - if (flags & NILFS_DIRSYNC_FL) + if (flags & FS_DIRSYNC_FL) inode->i_flags |= S_DIRSYNC; mapping_set_gfp_mask(inode->i_mapping, mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS); @@ -420,7 +433,7 @@ static int __nilfs_read_inode(struct super_block *sb, struct nilfs_root *root, unsigned long ino, struct inode *inode) { - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct buffer_head *bh; struct nilfs_inode *raw_inode; int err; @@ -707,6 +720,7 @@ void nilfs_evict_inode(struct inode *inode) struct nilfs_transaction_info ti; struct super_block *sb = inode->i_sb; struct nilfs_inode_info *ii = NILFS_I(inode); + int ret; if (inode->i_nlink || !ii->i_root || unlikely(is_bad_inode(inode))) { if (inode->i_data.nrpages) @@ -725,8 +739,9 @@ void nilfs_evict_inode(struct inode *inode) nilfs_mark_inode_dirty(inode); end_writeback(inode); - nilfs_ifile_delete_inode(ii->i_root->ifile, inode->i_ino); - atomic_dec(&ii->i_root->inodes_count); + ret = nilfs_ifile_delete_inode(ii->i_root->ifile, inode->i_ino); + if (!ret) + atomic_dec(&ii->i_root->inodes_count); nilfs_clear_inode(inode); @@ -792,18 +807,18 @@ int nilfs_permission(struct inode *inode, int mask, unsigned int flags) int nilfs_load_inode_block(struct inode *inode, struct buffer_head **pbh) { - struct nilfs_sb_info *sbi = NILFS_SB(inode->i_sb); + struct the_nilfs *nilfs = inode->i_sb->s_fs_info; struct nilfs_inode_info *ii = NILFS_I(inode); int err; - spin_lock(&sbi->s_inode_lock); + spin_lock(&nilfs->ns_inode_lock); if (ii->i_bh == NULL) { - spin_unlock(&sbi->s_inode_lock); + spin_unlock(&nilfs->ns_inode_lock); err = nilfs_ifile_get_inode_block(ii->i_root->ifile, inode->i_ino, pbh); if (unlikely(err)) return err; - spin_lock(&sbi->s_inode_lock); + spin_lock(&nilfs->ns_inode_lock); if (ii->i_bh == NULL) ii->i_bh = *pbh; else { @@ -814,36 +829,36 @@ int nilfs_load_inode_block(struct inode *inode, struct buffer_head **pbh) *pbh = ii->i_bh; get_bh(*pbh); - spin_unlock(&sbi->s_inode_lock); + spin_unlock(&nilfs->ns_inode_lock); return 0; } int nilfs_inode_dirty(struct inode *inode) { struct nilfs_inode_info *ii = NILFS_I(inode); - struct nilfs_sb_info *sbi = NILFS_SB(inode->i_sb); + struct the_nilfs *nilfs = inode->i_sb->s_fs_info; int ret = 0; if (!list_empty(&ii->i_dirty)) { - spin_lock(&sbi->s_inode_lock); + spin_lock(&nilfs->ns_inode_lock); ret = test_bit(NILFS_I_DIRTY, &ii->i_state) || test_bit(NILFS_I_BUSY, &ii->i_state); - spin_unlock(&sbi->s_inode_lock); + spin_unlock(&nilfs->ns_inode_lock); } return ret; } int nilfs_set_file_dirty(struct inode *inode, unsigned nr_dirty) { - struct nilfs_sb_info *sbi = NILFS_SB(inode->i_sb); struct nilfs_inode_info *ii = NILFS_I(inode); + struct the_nilfs *nilfs = inode->i_sb->s_fs_info; - atomic_add(nr_dirty, &sbi->s_nilfs->ns_ndirtyblks); + atomic_add(nr_dirty, &nilfs->ns_ndirtyblks); if (test_and_set_bit(NILFS_I_DIRTY, &ii->i_state)) return 0; - spin_lock(&sbi->s_inode_lock); + spin_lock(&nilfs->ns_inode_lock); if (!test_bit(NILFS_I_QUEUED, &ii->i_state) && !test_bit(NILFS_I_BUSY, &ii->i_state)) { /* Because this routine may race with nilfs_dispose_list(), @@ -851,18 +866,18 @@ int nilfs_set_file_dirty(struct inode *inode, unsigned nr_dirty) if (list_empty(&ii->i_dirty) && igrab(inode) == NULL) { /* This will happen when somebody is freeing this inode. */ - nilfs_warning(sbi->s_super, __func__, + nilfs_warning(inode->i_sb, __func__, "cannot get inode (ino=%lu)\n", inode->i_ino); - spin_unlock(&sbi->s_inode_lock); + spin_unlock(&nilfs->ns_inode_lock); return -EINVAL; /* NILFS_I_DIRTY may remain for freeing inode */ } list_del(&ii->i_dirty); - list_add_tail(&ii->i_dirty, &sbi->s_dirty_files); + list_add_tail(&ii->i_dirty, &nilfs->ns_dirty_files); set_bit(NILFS_I_QUEUED, &ii->i_state); } - spin_unlock(&sbi->s_inode_lock); + spin_unlock(&nilfs->ns_inode_lock); return 0; } diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 496738963fdb..95c04c2f2b3e 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -26,7 +26,9 @@ #include <linux/capability.h> /* capable() */ #include <linux/uaccess.h> /* copy_from_user(), copy_to_user() */ #include <linux/vmalloc.h> +#include <linux/compat.h> /* compat_ptr() */ #include <linux/mount.h> /* mnt_want_write(), mnt_drop_write() */ +#include <linux/buffer_head.h> #include <linux/nilfs2_fs.h> #include "nilfs.h" #include "segment.h" @@ -97,11 +99,74 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs, return ret; } +static int nilfs_ioctl_getflags(struct inode *inode, void __user *argp) +{ + unsigned int flags = NILFS_I(inode)->i_flags & FS_FL_USER_VISIBLE; + + return put_user(flags, (int __user *)argp); +} + +static int nilfs_ioctl_setflags(struct inode *inode, struct file *filp, + void __user *argp) +{ + struct nilfs_transaction_info ti; + unsigned int flags, oldflags; + int ret; + + if (!is_owner_or_cap(inode)) + return -EACCES; + + if (get_user(flags, (int __user *)argp)) + return -EFAULT; + + ret = mnt_want_write(filp->f_path.mnt); + if (ret) + return ret; + + flags = nilfs_mask_flags(inode->i_mode, flags); + + mutex_lock(&inode->i_mutex); + + oldflags = NILFS_I(inode)->i_flags; + + /* + * The IMMUTABLE and APPEND_ONLY flags can only be changed by the + * relevant capability. + */ + ret = -EPERM; + if (((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) && + !capable(CAP_LINUX_IMMUTABLE)) + goto out; + + ret = nilfs_transaction_begin(inode->i_sb, &ti, 0); + if (ret) + goto out; + + NILFS_I(inode)->i_flags = (oldflags & ~FS_FL_USER_MODIFIABLE) | + (flags & FS_FL_USER_MODIFIABLE); + + nilfs_set_inode_flags(inode); + inode->i_ctime = CURRENT_TIME; + if (IS_SYNC(inode)) + nilfs_set_transaction_flag(NILFS_TI_SYNC); + + nilfs_mark_inode_dirty(inode); + ret = nilfs_transaction_commit(inode->i_sb); +out: + mutex_unlock(&inode->i_mutex); + mnt_drop_write(filp->f_path.mnt); + return ret; +} + +static int nilfs_ioctl_getversion(struct inode *inode, void __user *argp) +{ + return put_user(inode->i_generation, (int __user *)argp); +} + static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp, unsigned int cmd, void __user *argp) { - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; - struct inode *cpfile = nilfs->ns_cpfile; + struct the_nilfs *nilfs = inode->i_sb->s_fs_info; struct nilfs_transaction_info ti; struct nilfs_cpmode cpmode; int ret; @@ -121,7 +186,7 @@ static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp, nilfs_transaction_begin(inode->i_sb, &ti, 0); ret = nilfs_cpfile_change_cpmode( - cpfile, cpmode.cm_cno, cpmode.cm_mode); + nilfs->ns_cpfile, cpmode.cm_cno, cpmode.cm_mode); if (unlikely(ret < 0)) nilfs_transaction_abort(inode->i_sb); else @@ -137,7 +202,7 @@ static int nilfs_ioctl_delete_checkpoint(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 = inode->i_sb->s_fs_info; struct nilfs_transaction_info ti; __u64 cno; int ret; @@ -154,7 +219,7 @@ nilfs_ioctl_delete_checkpoint(struct inode *inode, struct file *filp, goto out; nilfs_transaction_begin(inode->i_sb, &ti, 0); - ret = nilfs_cpfile_delete_checkpoint(cpfile, cno); + ret = nilfs_cpfile_delete_checkpoint(nilfs->ns_cpfile, cno); if (unlikely(ret < 0)) nilfs_transaction_abort(inode->i_sb); else @@ -180,7 +245,7 @@ nilfs_ioctl_do_get_cpinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, static int nilfs_ioctl_get_cpstat(struct inode *inode, struct file *filp, unsigned int cmd, void __user *argp) { - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + struct the_nilfs *nilfs = inode->i_sb->s_fs_info; struct nilfs_cpstat cpstat; int ret; @@ -211,7 +276,7 @@ nilfs_ioctl_do_get_suinfo(struct the_nilfs *nilfs, __u64 *posp, int flags, static int nilfs_ioctl_get_sustat(struct inode *inode, struct file *filp, unsigned int cmd, void __user *argp) { - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + struct the_nilfs *nilfs = inode->i_sb->s_fs_info; struct nilfs_sustat sustat; int ret; @@ -267,7 +332,7 @@ nilfs_ioctl_do_get_bdescs(struct the_nilfs *nilfs, __u64 *posp, int flags, static int nilfs_ioctl_get_bdescs(struct inode *inode, struct file *filp, unsigned int cmd, void __user *argp) { - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + struct the_nilfs *nilfs = inode->i_sb->s_fs_info; struct nilfs_argv argv; int ret; @@ -336,7 +401,7 @@ static int nilfs_ioctl_move_blocks(struct super_block *sb, struct nilfs_argv *argv, void *buf) { size_t nmembs = argv->v_nmembs; - struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs; + struct the_nilfs *nilfs = sb->s_fs_info; struct inode *inode; struct nilfs_vdesc *vdesc; struct buffer_head *bh, *n; @@ -550,7 +615,7 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp, ret = PTR_ERR(kbufs[4]); goto out; } - nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + nilfs = inode->i_sb->s_fs_info; for (n = 0; n < 4; n++) { ret = -EINVAL; @@ -623,7 +688,7 @@ static int nilfs_ioctl_sync(struct inode *inode, struct file *filp, return ret; if (argp != NULL) { - nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + nilfs = inode->i_sb->s_fs_info; down_read(&nilfs->ns_segctor_sem); cno = nilfs->ns_cno - 1; up_read(&nilfs->ns_segctor_sem); @@ -641,7 +706,7 @@ static int nilfs_ioctl_get_info(struct inode *inode, struct file *filp, void *, size_t, size_t)) { - struct the_nilfs *nilfs = NILFS_SB(inode->i_sb)->s_nilfs; + struct the_nilfs *nilfs = inode->i_sb->s_fs_info; struct nilfs_argv argv; int ret; @@ -666,6 +731,12 @@ long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) void __user *argp = (void __user *)arg; switch (cmd) { + case FS_IOC_GETFLAGS: + return nilfs_ioctl_getflags(inode, argp); + case FS_IOC_SETFLAGS: + return nilfs_ioctl_setflags(inode, filp, argp); + case FS_IOC_GETVERSION: + return nilfs_ioctl_getversion(inode, argp); case NILFS_IOCTL_CHANGE_CPMODE: return nilfs_ioctl_change_cpmode(inode, filp, cmd, argp); case NILFS_IOCTL_DELETE_CHECKPOINT: @@ -696,3 +767,23 @@ long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) return -ENOTTY; } } + +#ifdef CONFIG_COMPAT +long nilfs_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + switch (cmd) { + case FS_IOC32_GETFLAGS: + cmd = FS_IOC_GETFLAGS; + break; + case FS_IOC32_SETFLAGS: + cmd = FS_IOC_SETFLAGS; + break; + case FS_IOC32_GETVERSION: + cmd = FS_IOC_GETVERSION; + break; + default: + return -ENOIOCTLCMD; + } + return nilfs_ioctl(filp, cmd, (unsigned long)compat_ptr(arg)); +} +#endif diff --git a/fs/nilfs2/mdt.h b/fs/nilfs2/mdt.h index b13734bf3521..ed68563ec708 100644 --- a/fs/nilfs2/mdt.h +++ b/fs/nilfs2/mdt.h @@ -66,7 +66,7 @@ static inline struct nilfs_mdt_info *NILFS_MDT(const struct inode *inode) static inline struct the_nilfs *NILFS_I_NILFS(struct inode *inode) { - return NILFS_SB(inode->i_sb)->s_nilfs; + return inode->i_sb->s_fs_info; } /* Default GFP flags using highmem */ diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index 161791d26458..546849b3e88f 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -482,7 +482,7 @@ static struct dentry *nilfs_get_dentry(struct super_block *sb, u64 cno, if (ino < NILFS_FIRST_INO(sb) && ino != NILFS_ROOT_INO) return ERR_PTR(-ESTALE); - root = nilfs_lookup_root(NILFS_SB(sb)->s_nilfs, cno); + root = nilfs_lookup_root(sb->s_fs_info, cno); if (!root) return ERR_PTR(-ESTALE); diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index 777e8fd04304..856e8e4e0b74 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -30,7 +30,6 @@ #include <linux/blkdev.h> #include <linux/nilfs2_fs.h> #include "the_nilfs.h" -#include "sb.h" #include "bmap.h" /* @@ -122,7 +121,7 @@ enum { #define NILFS_SYS_INO_BITS \ ((unsigned int)(1 << NILFS_ROOT_INO) | NILFS_MDT_INO_BITS) -#define NILFS_FIRST_INO(sb) (NILFS_SB(sb)->s_nilfs->ns_first_ino) +#define NILFS_FIRST_INO(sb) (((struct the_nilfs *)sb->s_fs_info)->ns_first_ino) #define NILFS_MDT_INODE(sb, ino) \ ((ino) < NILFS_FIRST_INO(sb) && (NILFS_MDT_INO_BITS & (1 << (ino)))) @@ -212,6 +211,23 @@ static inline int nilfs_init_acl(struct inode *inode, struct inode *dir) #define NILFS_ATIME_DISABLE +/* Flags that should be inherited by new inodes from their parent. */ +#define NILFS_FL_INHERITED \ + (FS_SECRM_FL | FS_UNRM_FL | FS_COMPR_FL | FS_SYNC_FL | \ + FS_IMMUTABLE_FL | FS_APPEND_FL | FS_NODUMP_FL | FS_NOATIME_FL |\ + FS_COMPRBLK_FL | FS_NOCOMP_FL | FS_NOTAIL_FL | FS_DIRSYNC_FL) + +/* Mask out flags that are inappropriate for the given type of inode. */ +static inline __u32 nilfs_mask_flags(umode_t mode, __u32 flags) +{ + if (S_ISDIR(mode)) + return flags; + else if (S_ISREG(mode)) + return flags & ~(FS_DIRSYNC_FL | FS_TOPDIR_FL); + else + return flags & (FS_NODUMP_FL | FS_NOATIME_FL); +} + /* dir.c */ extern int nilfs_add_link(struct dentry *, struct inode *); extern ino_t nilfs_inode_by_name(struct inode *, const struct qstr *); @@ -229,10 +245,13 @@ extern int nilfs_sync_file(struct file *, int); /* ioctl.c */ long nilfs_ioctl(struct file *, unsigned int, unsigned long); +long nilfs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *, struct nilfs_argv *, void **); /* inode.c */ +void nilfs_inode_add_blocks(struct inode *inode, int n); +void nilfs_inode_sub_blocks(struct inode *inode, int n); extern struct inode *nilfs_new_inode(struct inode *, int); extern void nilfs_free_inode(struct inode *); extern int nilfs_get_block(struct inode *, sector_t, struct buffer_head *, int); @@ -275,11 +294,11 @@ extern int nilfs_check_feature_compatibility(struct super_block *, struct nilfs_super_block *); extern void nilfs_set_log_cursor(struct nilfs_super_block *, struct the_nilfs *); -extern struct nilfs_super_block **nilfs_prepare_super(struct nilfs_sb_info *, - int flip); -extern int nilfs_commit_super(struct nilfs_sb_info *, int); -extern int nilfs_cleanup_super(struct nilfs_sb_info *); -int nilfs_attach_checkpoint(struct nilfs_sb_info *sbi, __u64 cno, int curr_mnt, +struct nilfs_super_block **nilfs_prepare_super(struct super_block *sb, + int flip); +int nilfs_commit_super(struct super_block *sb, int flag); +int nilfs_cleanup_super(struct super_block *sb); +int nilfs_attach_checkpoint(struct super_block *sb, __u64 cno, int curr_mnt, struct nilfs_root **root); int nilfs_checkpoint_is_mounted(struct super_block *sb, __u64 cno); diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c index 3dfcd3b7d389..ba4a64518f38 100644 --- a/fs/nilfs2/recovery.c +++ b/fs/nilfs2/recovery.c @@ -425,7 +425,7 @@ void nilfs_dispose_segment_list(struct list_head *head) } static int nilfs_prepare_segment_for_recovery(struct the_nilfs *nilfs, - struct nilfs_sb_info *sbi, + struct super_block *sb, struct nilfs_recovery_info *ri) { struct list_head *head = &ri->ri_used_segments; @@ -501,7 +501,7 @@ static int nilfs_recovery_copy_block(struct the_nilfs *nilfs, } static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs, - struct nilfs_sb_info *sbi, + struct super_block *sb, struct nilfs_root *root, struct list_head *head, unsigned long *nr_salvaged_blocks) @@ -514,7 +514,7 @@ static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs, int err = 0, err2 = 0; list_for_each_entry_safe(rb, n, head, list) { - inode = nilfs_iget(sbi->s_super, root, rb->ino); + inode = nilfs_iget(sb, root, rb->ino); if (IS_ERR(inode)) { err = PTR_ERR(inode); inode = NULL; @@ -572,11 +572,11 @@ static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs, * nilfs_do_roll_forward - salvage logical segments newer than the latest * checkpoint * @nilfs: nilfs object - * @sbi: nilfs_sb_info + * @sb: super block instance * @ri: pointer to a nilfs_recovery_info */ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, - struct nilfs_sb_info *sbi, + struct super_block *sb, struct nilfs_root *root, struct nilfs_recovery_info *ri) { @@ -648,7 +648,7 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, goto failed; if (flags & NILFS_SS_LOGEND) { err = nilfs_recover_dsync_blocks( - nilfs, sbi, root, &dsync_blocks, + nilfs, sb, root, &dsync_blocks, &nsalvaged_blocks); if (unlikely(err)) goto failed; @@ -681,7 +681,7 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, if (nsalvaged_blocks) { printk(KERN_INFO "NILFS (device %s): salvaged %lu blocks\n", - sbi->s_super->s_id, nsalvaged_blocks); + sb->s_id, nsalvaged_blocks); ri->ri_need_recovery = NILFS_RECOVERY_ROLLFORWARD_DONE; } out: @@ -695,7 +695,7 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs, printk(KERN_ERR "NILFS (device %s): Error roll-forwarding " "(err=%d, pseg block=%llu). ", - sbi->s_super->s_id, err, (unsigned long long)pseg_start); + sb->s_id, err, (unsigned long long)pseg_start); goto out; } @@ -724,7 +724,7 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs, /** * nilfs_salvage_orphan_logs - salvage logs written after the latest checkpoint * @nilfs: nilfs object - * @sbi: nilfs_sb_info + * @sb: super block instance * @ri: pointer to a nilfs_recovery_info struct to store search results. * * Return Value: On success, 0 is returned. On error, one of the following @@ -741,7 +741,7 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs, * %-ENOMEM - Insufficient memory available. */ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs, - struct nilfs_sb_info *sbi, + struct super_block *sb, struct nilfs_recovery_info *ri) { struct nilfs_root *root; @@ -750,32 +750,32 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs, if (ri->ri_lsegs_start == 0 || ri->ri_lsegs_end == 0) return 0; - err = nilfs_attach_checkpoint(sbi, ri->ri_cno, true, &root); + err = nilfs_attach_checkpoint(sb, ri->ri_cno, true, &root); if (unlikely(err)) { printk(KERN_ERR "NILFS: error loading the latest checkpoint.\n"); return err; } - err = nilfs_do_roll_forward(nilfs, sbi, root, ri); + err = nilfs_do_roll_forward(nilfs, sb, root, ri); if (unlikely(err)) goto failed; if (ri->ri_need_recovery == NILFS_RECOVERY_ROLLFORWARD_DONE) { - err = nilfs_prepare_segment_for_recovery(nilfs, sbi, ri); + err = nilfs_prepare_segment_for_recovery(nilfs, sb, ri); if (unlikely(err)) { printk(KERN_ERR "NILFS: Error preparing segments for " "recovery.\n"); goto failed; } - err = nilfs_attach_segment_constructor(sbi, root); + err = nilfs_attach_log_writer(sb, root); if (unlikely(err)) goto failed; set_nilfs_discontinued(nilfs); - err = nilfs_construct_segment(sbi->s_super); - nilfs_detach_segment_constructor(sbi); + err = nilfs_construct_segment(sb); + nilfs_detach_log_writer(sb); if (unlikely(err)) { printk(KERN_ERR "NILFS: Oops! recovery failed. " diff --git a/fs/nilfs2/sb.h b/fs/nilfs2/sb.h deleted file mode 100644 index 7a17715f215f..000000000000 |