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authorFilipe Manana <fdmanana@suse.com>2019-01-08 14:43:18 +0300
committerDavid Sterba <dsterba@suse.com>2019-02-25 16:13:20 +0300
commit0f39b6056323e3d5e82cdef0f811713fe05fbb12 (patch)
tree7b279081abd6730df3fb41bbb398445201ff0aae /fs/btrfs/ioctl.c
parent420829d8ea13976e084be8cc2531b52f81e6dd02 (diff)
downloadlinux-0f39b6056323e3d5e82cdef0f811713fe05fbb12.tar.xz
Btrfs: remove redundant check for swapfiles when reflinking
Checking if either of the inodes corresponds to a swapfile is already performed by generic_remap_file_range_prep(), so we do not need to do it in the btrfs clone and deduplication functions. Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 4b5619127435..816fa7dce79f 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3285,9 +3285,6 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen,
(BTRFS_I(dst)->flags & BTRFS_INODE_NODATASUM))
return -EINVAL;
- if (IS_SWAPFILE(src) || IS_SWAPFILE(dst))
- return -ETXTBSY;
-
tail_len = olen % BTRFS_MAX_DEDUPE_LEN;
chunk_count = div_u64(olen, BTRFS_MAX_DEDUPE_LEN);
@@ -3910,9 +3907,6 @@ static noinline int btrfs_clone_files(struct file *file, struct file *file_src,
(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM))
return -EINVAL;
- if (IS_SWAPFILE(src) || IS_SWAPFILE(inode))
- return -ETXTBSY;
-
/*
* VFS's generic_remap_file_range_prep() protects us from cloning the
* eof block into the middle of a file, which would result in corruption