btrfs: rename ret to status in btrfs_submit_compressed_read()

We're using 'status' for the blk_status_t variables, rename 'ret' so we can
use it for generic errors.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 939787c3f0c1df42a7e872fec0c1204e968d8f4e..3620da19a8dd3b6f8713e70cd6cae3c7007e881d 100644 (file)
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -576,7 +576,7 @@ void btrfs_submit_compressed_read(struct btrfs_bio *bbio)
        struct extent_map *em;
        unsigned long pflags;
        int memstall = 0;
-       blk_status_t ret;
+       blk_status_t status;
        int ret2;
 
        /* we need the actual starting offset of this extent in the file */
@@ -584,7 +584,7 @@ void btrfs_submit_compressed_read(struct btrfs_bio *bbio)
        em = btrfs_lookup_extent_mapping(em_tree, file_offset, fs_info->sectorsize);
        read_unlock(&em_tree->lock);
        if (!em) {
-               ret = BLK_STS_IOERR;
+               status = BLK_STS_IOERR;
                goto out;
        }
 
@@ -608,13 +608,13 @@ void btrfs_submit_compressed_read(struct btrfs_bio *bbio)
        cb->nr_folios = DIV_ROUND_UP(compressed_len, PAGE_SIZE);
        cb->compressed_folios = kcalloc(cb->nr_folios, sizeof(struct folio *), GFP_NOFS);
        if (!cb->compressed_folios) {
-               ret = BLK_STS_RESOURCE;
+               status = BLK_STS_RESOURCE;
                goto out_free_bio;
        }
 
        ret2 = btrfs_alloc_folio_array(cb->nr_folios, cb->compressed_folios);
        if (ret2) {
-               ret = BLK_STS_RESOURCE;
+               status = BLK_STS_RESOURCE;
                goto out_free_compressed_pages;
        }
 
@@ -637,7 +637,7 @@ out_free_compressed_pages:
 out_free_bio:
        bio_put(&cb->bbio.bio);
 out:
-       btrfs_bio_end_io(bbio, ret);
+       btrfs_bio_end_io(bbio, status);
 }
 
 /*