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btrfs: Remove unused parameters from various functions

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iterate_dir_item:found_key - introduced in 31db9f7c23 ("Btrfs:
  introduce BTRFS_IOC_SEND for btrfs send/receive"), yet never used.

record_ref:num - ditto

This is a first pass with the low-hanging fruit. There are still quite a
few unsued parameters in some function which have to abide by a callback
interface.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2017-08-21 12:43:44 +03:00 committed by David Sterba
parent 8ca199501e
commit a0357511f2
1 changed files with 11 additions and 14 deletions
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25
fs/btrfs/send.c
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@ -992,7 +992,6 @@ typedef int (*iterate_dir_item_t)(int num, struct btrfs_key *di_key,
* path must point to the dir item when called.
*/
static int iterate_dir_item(struct btrfs_root *root, struct btrfs_path *path,
struct btrfs_key *found_key,
iterate_dir_item_t iterate, void *ctx)
{
int ret = 0;
@ -4106,8 +4105,8 @@ out:
return ret;
}
static int record_ref(struct btrfs_root *root, int num, u64 dir, int index,
struct fs_path *name, void *ctx, struct list_head *refs)
static int record_ref(struct btrfs_root *root, u64 dir, struct fs_path *name,
void *ctx, struct list_head *refs)
{
int ret = 0;
struct send_ctx *sctx = ctx;
@ -4143,8 +4142,7 @@ static int __record_new_ref(int num, u64 dir, int index,
void *ctx)
{
struct send_ctx *sctx = ctx;
return record_ref(sctx->send_root, num, dir, index, name,
ctx, &sctx->new_refs);
return record_ref(sctx->send_root, dir, name, ctx, &sctx->new_refs);
}
@ -4153,8 +4151,8 @@ static int __record_deleted_ref(int num, u64 dir, int index,
void *ctx)
{
struct send_ctx *sctx = ctx;
return record_ref(sctx->parent_root, num, dir, index, name,
ctx, &sctx->deleted_refs);
return record_ref(sctx->parent_root, dir, name, ctx,
&sctx->deleted_refs);
}
static int record_new_ref(struct send_ctx *sctx)
@ -4498,7 +4496,7 @@ static int process_new_xattr(struct send_ctx *sctx)
int ret = 0;
ret = iterate_dir_item(sctx->send_root, sctx->left_path,
sctx->cmp_key, __process_new_xattr, sctx);
__process_new_xattr, sctx);
return ret;
}
@ -4506,7 +4504,7 @@ static int process_new_xattr(struct send_ctx *sctx)
static int process_deleted_xattr(struct send_ctx *sctx)
{
return iterate_dir_item(sctx->parent_root, sctx->right_path,
sctx->cmp_key, __process_deleted_xattr, sctx);
__process_deleted_xattr, sctx);
}
struct find_xattr_ctx {
@ -4551,7 +4549,7 @@ static int find_xattr(struct btrfs_root *root,
ctx.found_data = NULL;
ctx.found_data_len = 0;
ret = iterate_dir_item(root, path, key, __find_xattr, &ctx);
ret = iterate_dir_item(root, path, __find_xattr, &ctx);
if (ret < 0)
return ret;
@ -4621,11 +4619,11 @@ static int process_changed_xattr(struct send_ctx *sctx)
int ret = 0;
ret = iterate_dir_item(sctx->send_root, sctx->left_path,
sctx->cmp_key, __process_changed_new_xattr, sctx);
__process_changed_new_xattr, sctx);
if (ret < 0)
goto out;
ret = iterate_dir_item(sctx->parent_root, sctx->right_path,
sctx->cmp_key, __process_changed_deleted_xattr, sctx);
__process_changed_deleted_xattr, sctx);
out:
return ret;
@ -4675,8 +4673,7 @@ static int process_all_new_xattrs(struct send_ctx *sctx)
goto out;
}
ret = iterate_dir_item(root, path, &found_key,
__process_new_xattr, sctx);
ret = iterate_dir_item(root, path, __process_new_xattr, sctx);
if (ret < 0)
goto out;