From: David Sterba dsterba@suse.com
[ Upstream commit e3059ec06b9f1a96826cc2bb6ed131aac0942446 ]
There's only one function we pass to iterate_inodes_from_logical as iterator, so we can drop the indirection and call it directly, after moving the function to backref.c
Signed-off-by: David Sterba dsterba@suse.com Stable-dep-of: 418ffb9e3cf6 ("btrfs: free btrfs_path before copying inodes to userspace") Signed-off-by: Sasha Levin sashal@kernel.org --- fs/btrfs/backref.c | 25 ++++++++++++++++++++++--- fs/btrfs/backref.h | 3 +-- fs/btrfs/ioctl.c | 22 +--------------------- 3 files changed, 24 insertions(+), 26 deletions(-)
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 6942707f8b03..7208ba22e734 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -2060,10 +2060,29 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info, return ret; }
+static int build_ino_list(u64 inum, u64 offset, u64 root, void *ctx) +{ + struct btrfs_data_container *inodes = ctx; + const size_t c = 3 * sizeof(u64); + + if (inodes->bytes_left >= c) { + inodes->bytes_left -= c; + inodes->val[inodes->elem_cnt] = inum; + inodes->val[inodes->elem_cnt + 1] = offset; + inodes->val[inodes->elem_cnt + 2] = root; + inodes->elem_cnt += 3; + } else { + inodes->bytes_missing += c - inodes->bytes_left; + inodes->bytes_left = 0; + inodes->elem_missed += 3; + } + + return 0; +} + int iterate_inodes_from_logical(u64 logical, struct btrfs_fs_info *fs_info, struct btrfs_path *path, - iterate_extent_inodes_t *iterate, void *ctx, - bool ignore_offset) + void *ctx, bool ignore_offset) { int ret; u64 extent_item_pos; @@ -2081,7 +2100,7 @@ int iterate_inodes_from_logical(u64 logical, struct btrfs_fs_info *fs_info, extent_item_pos = logical - found_key.objectid; ret = iterate_extent_inodes(fs_info, found_key.objectid, extent_item_pos, search_commit_root, - iterate, ctx, ignore_offset); + build_ino_list, ctx, ignore_offset);
return ret; } diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h index 17abde7f794c..6ed18b807b64 100644 --- a/fs/btrfs/backref.h +++ b/fs/btrfs/backref.h @@ -35,8 +35,7 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info, bool ignore_offset);
int iterate_inodes_from_logical(u64 logical, struct btrfs_fs_info *fs_info, - struct btrfs_path *path, - iterate_extent_inodes_t *iterate, void *ctx, + struct btrfs_path *path, void *ctx, bool ignore_offset);
int paths_from_inode(u64 inum, struct inode_fs_paths *ipath); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index d0c31651ec80..58fe58b929d2 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3898,26 +3898,6 @@ static long btrfs_ioctl_ino_to_path(struct btrfs_root *root, void __user *arg) return ret; }
-static int build_ino_list(u64 inum, u64 offset, u64 root, void *ctx) -{ - struct btrfs_data_container *inodes = ctx; - const size_t c = 3 * sizeof(u64); - - if (inodes->bytes_left >= c) { - inodes->bytes_left -= c; - inodes->val[inodes->elem_cnt] = inum; - inodes->val[inodes->elem_cnt + 1] = offset; - inodes->val[inodes->elem_cnt + 2] = root; - inodes->elem_cnt += 3; - } else { - inodes->bytes_missing += c - inodes->bytes_left; - inodes->bytes_left = 0; - inodes->elem_missed += 3; - } - - return 0; -} - static long btrfs_ioctl_logical_to_ino(struct btrfs_fs_info *fs_info, void __user *arg, int version) { @@ -3967,7 +3947,7 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_fs_info *fs_info, }
ret = iterate_inodes_from_logical(loi->logical, fs_info, path, - build_ino_list, inodes, ignore_offset); + inodes, ignore_offset); if (ret == -EINVAL) ret = -ENOENT; if (ret < 0)