Linus, et al,
Here are the ocfs2 feature changes for 2.6.32. The big ticket
item is the reflinkat(2) system call and ocfs2's support for it. The
ocfs2 support accounts for all but a handful of the changes. The
remaining few patches are fixes.
Please pull.
Joel
The following changes since commit 8379e7c46cc48f51197dd663fc6676f47f2a1e71:
Sunil Mushran (1):
ocfs2: ocfs2_write_begin_nolock() should handle len=0
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2.git upstream-linus
Coly Li (1):
dlmglue.c: add missed mlog lines
Joel Becker (41):
ocfs2: Make the ocfs2_caching_info structure self-contained.
ocfs2: Change metadata caching locks to an operations structure.
ocfs2: Take the inode out of the metadata read/write paths.
ocfs2: move ip_last_trans to struct ocfs2_caching_info
ocfs2: move ip_created_trans to struct ocfs2_caching_info
ocfs2: Pass struct ocfs2_caching_info to the journal functions.
ocfs2: Store the ocfs2_caching_info on ocfs2_extent_tree.
ocfs2: Pass ocfs2_caching_info to ocfs2_read_extent_block().
ocfs2: ocfs2_find_path() only needs the caching info
ocfs2: ocfs2_create_new_meta_bhs() doesn't need struct inode.
ocfs2: Pass ocfs2_extent_tree to ocfs2_unlink_path()
ocfs2: ocfs2_complete_edge_insert() doesn't need struct inode at all.
ocfs2: Get inode out of ocfs2_rotate_subtree_root_right().
ocfs2: Pass ocfs2_extent_tree to ocfs2_get_subtree_root()
ocfs2: Drop struct inode from ocfs2_extent_tree_operations.
ocfs2: ocfs2_rotate_tree_right() doesn't need struct inode.
ocfs2: ocfs2_update_edge_lengths() doesn't need struct inode.
ocfs2: ocfs2_rotate_subtree_left() doesn't need struct inode.
ocfs2: __ocfs2_rotate_tree_left() doesn't need struct inode.
ocfs2: ocfs2_rotate_tree_left() no longer needs struct inode.
ocfs2: ocfs2_merge_rec_left/right() no longer need struct inode.
ocfs2: ocfs2_try_to_merge_extent() doesn't need struct inode.
ocfs2: ocfs2_grow_branch() and ocfs2_append_rec_to_path() lose struct
inode.
ocfs2: ocfs2_truncate_rec() doesn't need struct inode.
ocfs2: Make truncating the extent map an extent_tree_operation.
ocfs2: ocfs2_insert_at_leaf() doesn't need struct inode.
ocfs2: Give ocfs2_split_record() an extent_tree instead of an inode.
ocfs2: ocfs2_do_insert_extent() and ocfs2_insert_path() no longer need an
inode.
ocfs2: ocfs2_extent_contig() only requires the superblock.
ocfs2: Swap inode for extent_tree in ocfs2_figure_merge_contig_type().
ocfs2: Remove inode from ocfs2_figure_extent_contig().
ocfs2: ocfs2_figure_insert_type() no longer needs struct inode.
ocfs2: Make extent map insertion an extent_tree_operation.
ocfs2: ocfs2_insert_extent() no longer needs struct inode.
ocfs2: ocfs2_add_clusters_in_btree() no longer needs struct inode.
ocfs2: ocfs2_remove_extent() no longer needs struct inode.
ocfs2: ocfs2_split_and_insert() no longer needs struct inode.
ocfs2: Teach ocfs2_replace_extent_rec() to use an extent_tree.
ocfs2: __ocfs2_mark_extent_written() doesn't need struct inode.
ocfs2: Pass ocfs2_caching_info into ocfs_init_*_extent_tree().
fs: Add the reflink() operation and reflinkat(2) system call.
Sunil Mushran (1):
ocfs2: __ocfs2_abort() should not enable panic for local mounts
Tao Ma (42):
ocfs2: Define refcount tree structure.
ocfs2: Add metaecc for ocfs2_refcount_block.
ocfs2: Add ocfs2_read_refcount_block.
ocfs2: Abstract caching info checkpoint.
ocfs2: Add new refcount tree lock resource in dlmglue.
ocfs2: Add caching info for refcount tree.
ocfs2: Add refcount tree lock mechanism.
ocfs2: Basic tree root operation.
ocfs2: Wrap ocfs2_extent_contig in ocfs2_extent_tree.
ocfs2: Abstract extent split process.
ocfs2: Add refcount b-tree as a new extent tree.
ocfs2: move tree path functions to alloc.h.
ocfs2: Add support for incrementing refcount in the tree.
ocfs2: Add support of decrementing refcount for delete.
ocfs2: Add functions for extents refcounted.
ocfs2: Decrement refcount when truncating refcounted extents.
ocfs2: Add CoW support.
ocfs2: CoW refcount tree improvement.
ocfs2: Integrate CoW in file write.
ocfs2: CoW a reflinked cluster when it is truncated.
ocfs2: Add normal functions for reflink a normal file's extents.
ocfs2: handle file attributes issue for reflink.
ocfs2: Return extent flags for xattr value tree.
ocfs2: Abstract duplicate clusters process in CoW.
ocfs2: Add CoW support for xattr.
ocfs2: Remove inode from ocfs2_xattr_bucket_get_name_value.
ocfs2: Abstract the creation of xattr block.
ocfs2: Abstract ocfs2 xattr tree extend rec iteration process.
ocfs2: Attach xattr clusters to refcount tree.
ocfs2: Call refcount tree remove process properly.
ocfs2: Create an xattr indexed block if needed.
ocfs2: Add reflink support for xattr.
ocfs2: Modify removing xattr process for refcount.
ocfs2: Don't merge in 1st refcount ops of reflink.
ocfs2: Make transaction extend more efficient.
ocfs2: Use proper parameter for some inode operation.
ocfs2: Create reflinked file in orphan dir.
ocfs2: Add preserve to reflink.
ocfs2: Implement ocfs2_reflink.
ocfs2: Enable refcount tree support.
ocfs2: Add ioctl for reflink.
ocfs2: Use buffer IO if we are appending a file.
Wengang Wang (1):
ocfs2: add spinlock protection when dealing with lockres->purge.
Documentation/filesystems/reflink.txt | 174 ++
Documentation/filesystems/vfs.txt | 4 +
arch/x86/ia32/ia32entry.S | 1 +
arch/x86/include/asm/unistd_32.h | 1 +
arch/x86/include/asm/unistd_64.h | 2 +
arch/x86/kernel/syscall_table_32.S | 1 +
fs/namei.c | 137 ++
fs/ocfs2/Makefile | 1 +
fs/ocfs2/alloc.c | 1342 ++++++-----
fs/ocfs2/alloc.h | 101 +-
fs/ocfs2/aops.c | 37 +-
fs/ocfs2/aops.h | 2 +
fs/ocfs2/buffer_head_io.c | 47 +-
fs/ocfs2/buffer_head_io.h | 8 +-
fs/ocfs2/cluster/masklog.c | 1 +
fs/ocfs2/cluster/masklog.h | 1 +
fs/ocfs2/dir.c | 107 +-
fs/ocfs2/dlm/dlmthread.c | 6 +-
fs/ocfs2/dlmglue.c | 105 +-
fs/ocfs2/dlmglue.h | 6 +
fs/ocfs2/extent_map.c | 33 +-
fs/ocfs2/extent_map.h | 8 +-
fs/ocfs2/file.c | 151 ++-
fs/ocfs2/file.h | 2 +
fs/ocfs2/inode.c | 86 +-
fs/ocfs2/inode.h | 20 +-
fs/ocfs2/ioctl.c | 14 +
fs/ocfs2/journal.c | 82 +-
fs/ocfs2/journal.h | 94 +-
fs/ocfs2/localalloc.c | 12 +-
fs/ocfs2/namei.c | 343 +++-
fs/ocfs2/namei.h | 6 +
fs/ocfs2/ocfs2.h | 52 +-
fs/ocfs2/ocfs2_fs.h | 107 +-
fs/ocfs2/ocfs2_lockid.h | 5 +
fs/ocfs2/quota_global.c | 5 +-
fs/ocfs2/quota_local.c | 26 +-
fs/ocfs2/refcounttree.c | 4249 +++++++++++++++++++++++++++++++++
fs/ocfs2/refcounttree.h | 108 +
fs/ocfs2/resize.c | 16 +-
fs/ocfs2/slot_map.c | 10 +-
fs/ocfs2/suballoc.c | 35 +-
fs/ocfs2/super.c | 13 +-
fs/ocfs2/uptodate.c | 265 ++-
fs/ocfs2/uptodate.h | 51 +-
fs/ocfs2/xattr.c | 2056 +++++++++++++++--
fs/ocfs2/xattr.h | 15 +-
include/linux/fcntl.h | 8 +
include/linux/fs.h | 2 +
include/linux/security.h | 23 +
include/linux/syscalls.h | 3 +
security/capability.c | 7 +
security/security.c | 8 +
53 files changed, 8823 insertions(+), 1176 deletions(-)
create mode 100644 Documentation/filesystems/reflink.txt
create mode 100644 fs/ocfs2/refcounttree.c
create mode 100644 fs/ocfs2/refcounttree.h
--
Life's Little Instruction Book #99
"Think big thoughts, but relish small pleasures."
Joel Becker
Principal Software Developer
Oracle
E-mail: [email protected]
Phone: (650) 506-8127
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