diff options
| author | Daniel Vacek <neelx@suse.com> | 2025-03-06 14:15:35 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2025-03-18 20:35:50 +0100 |
| commit | fc5c0c5825874859069ac44c367c724acd7190fb (patch) | |
| tree | 3b3e5fb0a15f714baa7ff7a786c56ee2d3861be1 /fs/btrfs/defrag.c | |
| parent | 08f340767dde5fd302af5b94ce6ce2d5e38a233d (diff) | |
btrfs: defrag: extend ioctl to accept compression levels
The zstd and zlib compression types support setting compression levels.
Enhance the defrag interface to specify the levels as well. For zstd the
negative (realtime) levels are also accepted.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/defrag.c')
| -rw-r--r-- | fs/btrfs/defrag.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/fs/btrfs/defrag.c b/fs/btrfs/defrag.c index 18f0704263f3..ae0b92b96345 100644 --- a/fs/btrfs/defrag.c +++ b/fs/btrfs/defrag.c @@ -1363,6 +1363,7 @@ int btrfs_defrag_file(struct btrfs_inode *inode, struct file_ra_state *ra, u64 last_byte; bool do_compress = (range->flags & BTRFS_DEFRAG_RANGE_COMPRESS); int compress_type = BTRFS_COMPRESS_ZLIB; + int compress_level = 0; int ret = 0; u32 extent_thresh = range->extent_thresh; pgoff_t start_index; @@ -1376,10 +1377,21 @@ int btrfs_defrag_file(struct btrfs_inode *inode, struct file_ra_state *ra, return -EINVAL; if (do_compress) { - if (range->compress_type >= BTRFS_NR_COMPRESS_TYPES) - return -EINVAL; - if (range->compress_type) - compress_type = range->compress_type; + if (range->flags & BTRFS_DEFRAG_RANGE_COMPRESS_LEVEL) { + if (range->compress.type >= BTRFS_NR_COMPRESS_TYPES) + return -EINVAL; + if (range->compress.type) { + compress_type = range->compress.type; + compress_level = range->compress.level; + if (!btrfs_compress_level_valid(compress_type, compress_level)) + return -EINVAL; + } + } else { + if (range->compress_type >= BTRFS_NR_COMPRESS_TYPES) + return -EINVAL; + if (range->compress_type) + compress_type = range->compress_type; + } } if (extent_thresh == 0) @@ -1430,8 +1442,10 @@ int btrfs_defrag_file(struct btrfs_inode *inode, struct file_ra_state *ra, btrfs_inode_unlock(inode, 0); break; } - if (do_compress) + if (do_compress) { inode->defrag_compress = compress_type; + inode->defrag_compress_level = compress_level; + } ret = defrag_one_cluster(inode, ra, cur, cluster_end + 1 - cur, extent_thresh, newer_than, do_compress, §ors_defragged, |