| /Linux-v5.4/fs/nilfs2/ |
| D | cpfile.c | 27 nilfs_cpfile_get_blkoff(const struct inode *cpfile, __u64 cno) in nilfs_cpfile_get_blkoff() argument
29 __u64 tcno = cno + NILFS_MDT(cpfile)->mi_first_entry_offset - 1; in nilfs_cpfile_get_blkoff()
37 nilfs_cpfile_get_offset(const struct inode *cpfile, __u64 cno) in nilfs_cpfile_get_offset() argument
39 __u64 tcno = cno + NILFS_MDT(cpfile)->mi_first_entry_offset - 1; in nilfs_cpfile_get_offset()
63 __u64 cno) in nilfs_cpfile_is_in_first() argument
65 return nilfs_cpfile_get_blkoff(cpfile, cno) == 0; in nilfs_cpfile_is_in_first()
106 nilfs_cpfile_block_get_checkpoint(const struct inode *cpfile, __u64 cno, in nilfs_cpfile_block_get_checkpoint() argument
110 return kaddr + bh_offset(bh) + nilfs_cpfile_get_offset(cpfile, cno) * in nilfs_cpfile_block_get_checkpoint()
135 __u64 cno, in nilfs_cpfile_get_checkpoint_block() argument
140 nilfs_cpfile_get_blkoff(cpfile, cno), in nilfs_cpfile_get_checkpoint_block()
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| D | super.c | 504 int nilfs_attach_checkpoint(struct super_block *sb, __u64 cno, int curr_mnt, in nilfs_attach_checkpoint() argument
514 nilfs, curr_mnt ? NILFS_CPTREE_CURRENT_CNO : cno); in nilfs_attach_checkpoint()
522 err = nilfs_cpfile_get_checkpoint(nilfs->ns_cpfile, cno, 0, &raw_cp, in nilfs_attach_checkpoint()
529 (unsigned long long)cno); in nilfs_attach_checkpoint()
545 nilfs_cpfile_put_checkpoint(nilfs->ns_cpfile, cno, bh_cp); in nilfs_attach_checkpoint()
552 nilfs_cpfile_put_checkpoint(nilfs->ns_cpfile, cno, bh_cp); in nilfs_attach_checkpoint()
664 if (root->cno != NILFS_CPTREE_CURRENT_CNO) in nilfs_show_options()
665 seq_printf(seq, ",cp=%llu", (unsigned long long)root->cno); in nilfs_show_options()
914 if (root->cno == NILFS_CPTREE_CURRENT_CNO) { in nilfs_get_root_dentry()
941 static int nilfs_attach_snapshot(struct super_block *s, __u64 cno, in nilfs_attach_snapshot() argument
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| D | the_nilfs.c | 29 sector_t start_blocknr, u64 seq, __u64 cno) in nilfs_set_last_segment() argument
34 nilfs->ns_last_cno = cno; in nilfs_set_last_segment()
716 struct nilfs_root *nilfs_lookup_root(struct the_nilfs *nilfs, __u64 cno) in nilfs_lookup_root() argument
726 if (cno < root->cno) { in nilfs_lookup_root()
728 } else if (cno > root->cno) { in nilfs_lookup_root()
742 nilfs_find_or_create_root(struct the_nilfs *nilfs, __u64 cno) in nilfs_find_or_create_root() argument
748 root = nilfs_lookup_root(nilfs, cno); in nilfs_find_or_create_root()
765 if (cno < root->cno) { in nilfs_find_or_create_root()
767 } else if (cno > root->cno) { in nilfs_find_or_create_root()
777 new->cno = cno; in nilfs_find_or_create_root()
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| D | the_nilfs.h | 238 __u64 cno; member
283 struct nilfs_root *nilfs_lookup_root(struct the_nilfs *nilfs, __u64 cno);
285 __u64 cno);
351 __u64 cno; in nilfs_last_cno() local
354 cno = nilfs->ns_last_cno; in nilfs_last_cno()
356 return cno; in nilfs_last_cno()
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| D | ioctl.c | 262 __u64 cno; in nilfs_ioctl_delete_checkpoint() local
273 if (copy_from_user(&cno, argp, sizeof(cno))) in nilfs_ioctl_delete_checkpoint()
277 ret = nilfs_cpfile_delete_checkpoint(nilfs->ns_cpfile, cno); in nilfs_ioctl_delete_checkpoint()
621 __u64 cno; in nilfs_ioctl_move_blocks() local
626 cno = vdesc->vd_cno; in nilfs_ioctl_move_blocks()
627 inode = nilfs_iget_for_gc(sb, ino, cno); in nilfs_ioctl_move_blocks()
652 vdesc->vd_ino == ino && vdesc->vd_cno == cno); in nilfs_ioctl_move_blocks()
1001 __u64 cno; in nilfs_ioctl_sync() local
1016 cno = nilfs->ns_cno - 1; in nilfs_ioctl_sync()
1018 if (copy_to_user(argp, &cno, sizeof(cno))) in nilfs_ioctl_sync()
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| D | namei.c | 456 static struct dentry *nilfs_get_dentry(struct super_block *sb, u64 cno, in nilfs_get_dentry() argument
465 root = nilfs_lookup_root(sb->s_fs_info, cno); in nilfs_get_dentry()
491 return nilfs_get_dentry(sb, fid->cno, fid->ino, fid->gen); in nilfs_fh_to_dentry()
503 return nilfs_get_dentry(sb, fid->cno, fid->parent_ino, fid->parent_gen); in nilfs_fh_to_parent()
522 fid->cno = root->cno; in nilfs_encode_fh()
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| D | inode.c | 34 __u64 cno; member
325 .ino = ino, .root = root, .cno = 0, .for_gc = 0 in nilfs_insert_inode_locked()
540 return args->for_gc && args->cno == ii->i_cno; in nilfs_iget_test()
550 NILFS_I(inode)->i_cno = args->cno; in nilfs_iget_set()
564 .ino = ino, .root = root, .cno = 0, .for_gc = 0 in nilfs_ilookup()
574 .ino = ino, .root = root, .cno = 0, .for_gc = 0 in nilfs_iget_locked()
602 __u64 cno) in nilfs_iget_for_gc() argument
605 .ino = ino, .root = NULL, .cno = cno, .for_gc = 1 in nilfs_iget_for_gc()
859 root->cno != NILFS_CPTREE_CURRENT_CNO) in nilfs_permission()
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| D | sysfs.c | 200 if (root->cno == NILFS_CPTREE_CURRENT_CNO) { in nilfs_sysfs_create_snapshot_group()
209 "%llu", root->cno); in nilfs_sysfs_create_snapshot_group()
318 __u64 cno; in nilfs_checkpoints_next_checkpoint_show() local
321 cno = nilfs->ns_cno; in nilfs_checkpoints_next_checkpoint_show()
324 return snprintf(buf, PAGE_SIZE, "%llu\n", cno); in nilfs_checkpoints_next_checkpoint_show()
559 __u64 cno; in nilfs_segctor_next_checkpoint_show() local
562 cno = nilfs->ns_cno; in nilfs_segctor_next_checkpoint_show()
565 return snprintf(buf, PAGE_SIZE, "%llu\n", cno); in nilfs_segctor_next_checkpoint_show()
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| D | nilfs.h | 266 unsigned long ino, __u64 cno);
334 int nilfs_attach_checkpoint(struct super_block *sb, __u64 cno, int curr_mnt,
336 int nilfs_checkpoint_is_mounted(struct super_block *sb, __u64 cno);
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| D | export.h | 18 u64 cno; member
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| D | segbuf.c | 124 time64_t ctime, __u64 cno) in nilfs_segbuf_reset() argument
137 segbuf->sb_sum.cno = cno; in nilfs_segbuf_reset()
163 raw_sum->ss_cno = cpu_to_le64(segbuf->sb_sum.cno); in nilfs_segbuf_fill_in_segsum()
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| D | recovery.c | 813 __u64 cno; in nilfs_search_super_root() local
820 cno = nilfs->ns_last_cno; in nilfs_search_super_root()
889 ri->ri_cno = cno++; in nilfs_search_super_root()
898 nilfs->ns_cno = cno; /* nilfs->ns_cno = ri->ri_cno + 1 */ in nilfs_search_super_root()
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| D | segbuf.h | 39 __u64 cno; member
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| D | segment.c | 502 __u64 cno; in nilfs_segctor_end_finfo() local
510 cno = ii->i_cno; in nilfs_segctor_end_finfo()
512 cno = 0; in nilfs_segctor_end_finfo()
514 cno = sci->sc_cno; in nilfs_segctor_end_finfo()
521 finfo->fi_cno = cpu_to_le64(cno); in nilfs_segctor_end_finfo()
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| /Linux-v5.4/Documentation/filesystems/ |
| D | nilfs2.txt | 167 # mount -t nilfs2 -r -o cp=<cno> /dev/block_device /snap_dir
169 where <cno> is the checkpoint number of the snapshot.
258 Super root block (the latest cno=xx)
262 |-- ifile (cno=c1)
263 |-- ifile (cno=c2) ---- file (ino=i1)
265 `-- ifile (cno=xx) |-- file (ino=i3)
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| /Linux-v5.4/fs/ext4/ |
| D | fsmap.c | 92 ext4_grpblk_t cno; in ext4_getfsmap_helper() local
135 &agno, &cno); in ext4_getfsmap_helper()
137 EXT4_C2B(sbi, cno), in ext4_getfsmap_helper()
159 ext4_get_group_no_and_offset(sb, rec_fsblk, &agno, &cno); in ext4_getfsmap_helper()
160 trace_ext4_fsmap_mapping(sb, info->gfi_dev, agno, EXT4_C2B(sbi, cno), in ext4_getfsmap_helper()
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