[PATCH 04/12 v5] Btrfs: modify btrfs_drop_extents API
From: Liu Bo <hidden>
Date: 2011-08-06 09:37:39
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
We want to use btrfs_drop_extent() in log code. Signed-off-by: Liu Bo <redacted> --- fs/btrfs/ctree.h | 3 ++- fs/btrfs/file.c | 9 +++++++-- fs/btrfs/inode.c | 6 +++--- fs/btrfs/ioctl.c | 4 ++-- fs/btrfs/tree-log.c | 2 +- 5 files changed, 15 insertions(+), 9 deletions(-)
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 310f586..a8336e7 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h@@ -2615,7 +2615,8 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, int skip_pinned); extern const struct file_operations btrfs_file_operations; int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct inode *inode, - u64 start, u64 end, u64 *hint_byte, int drop_cache); + u64 start, u64 end, u64 *hint_byte, int drop_cache, + int log); int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, struct inode *inode, u64 start, u64 end); int btrfs_release_file(struct inode *inode, struct file *file);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 010aec8..7a84219 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c@@ -546,7 +546,8 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, * is deleted from the tree. */ int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct inode *inode, - u64 start, u64 end, u64 *hint_byte, int drop_cache) + u64 start, u64 end, u64 *hint_byte, int drop_cache, + int log) { struct btrfs_root *root = BTRFS_I(inode)->root; struct extent_buffer *leaf;
@@ -566,6 +567,10 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct inode *inode, int recow; int ret; + /* drop the existed extents in log tree */ + if (log) + root = root->log_root; + if (drop_cache) btrfs_drop_extent_cache(inode, start, end - 1, 0);
@@ -746,7 +751,7 @@ next_slot: extent_end - key.offset); extent_end = ALIGN(extent_end, root->sectorsize); - } else if (disk_bytenr > 0) { + } else if (disk_bytenr > 0 && !log) { ret = btrfs_free_extent(trans, root, disk_bytenr, num_bytes, 0, root->root_key.objectid,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 99eb0b3..b50ca12 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c@@ -246,7 +246,7 @@ static noinline int cow_file_range_inline(struct btrfs_trans_handle *trans, } ret = btrfs_drop_extents(trans, inode, start, aligned_end, - &hint_byte, 1); + &hint_byte, 1, 0); BUG_ON(ret); if (isize > actual_end)
@@ -1657,7 +1657,7 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans, * with the others. */ ret = btrfs_drop_extents(trans, inode, file_pos, file_pos + num_bytes, - &hint, 0); + &hint, 0, 0); BUG_ON(ret); ins.objectid = btrfs_ino(inode);
@@ -3509,7 +3509,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size) err = btrfs_drop_extents(trans, inode, cur_offset, cur_offset + hole_size, - &hint_byte, 1); + &hint_byte, 1, 0); if (err) break;
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index bc9a2ad..3448dbc 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c@@ -2340,7 +2340,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, ret = btrfs_drop_extents(trans, inode, new_key.offset, new_key.offset + datal, - &hint_byte, 1); + &hint_byte, 1, 0); BUG_ON(ret); ret = btrfs_insert_empty_item(trans, root, path,
@@ -2395,7 +2395,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, ret = btrfs_drop_extents(trans, inode, new_key.offset, new_key.offset + datal, - &hint_byte, 1); + &hint_byte, 1, 0); BUG_ON(ret); ret = btrfs_insert_empty_item(trans, root, path,
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 5a026d2..a75990a 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c@@ -562,7 +562,7 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans, saved_nbytes = inode_get_bytes(inode); /* drop any overlapping extents */ ret = btrfs_drop_extents(trans, inode, start, extent_end, - &alloc_hint, 1); + &alloc_hint, 1, 0); BUG_ON(ret); if (found_type == BTRFS_FILE_EXTENT_REG ||
--
1.6.5.2