From: Qu Wenruo <wqu@suse.com>
To: linux-btrfs@vger.kernel.org, u-boot@lists.denx.de
Cc: marek.behun@nic.cz
Subject: [PATCH U-BOOT v2 16/30] fs: btrfs: Rename path resolve related functions to avoid name conflicts
Date: Mon, 25 May 2020 14:32:43 +0800 [thread overview]
Message-ID: <20200525063257.46757-17-wqu@suse.com> (raw)
In-Reply-To: <20200525063257.46757-1-wqu@suse.com>
Since the old code are all using __btrfs_path/__btrfs_root other than
the regular extent buffer based one, adding "__" prefix for them to
avoid name conflicts in the incoming cross ports.
Signed-off-by: Qu Wenruo <wqu@suse.com>
---
fs/btrfs/btrfs.c | 12 ++++++------
fs/btrfs/btrfs.h | 10 +++++-----
fs/btrfs/compat.h | 3 +++
fs/btrfs/ctree.h | 7 +++++++
fs/btrfs/dir-item.c | 12 ++++++------
fs/btrfs/inode.c | 28 ++++++++++++++--------------
fs/btrfs/subvolume.c | 4 ++--
7 files changed, 43 insertions(+), 33 deletions(-)
diff --git a/fs/btrfs/btrfs.c b/fs/btrfs/btrfs.c
index 2bd2ec9ed917..c967c114ccf5 100644
--- a/fs/btrfs/btrfs.c
+++ b/fs/btrfs/btrfs.c
@@ -35,7 +35,7 @@ static int readdir_callback(const struct __btrfs_root *root,
char filetime[32], *target = NULL;
time_t mtime;
- if (btrfs_lookup_inode(root, (struct btrfs_key *)&item->location,
+ if (__btrfs_lookup_inode(root, (struct btrfs_key *)&item->location,
&inode, NULL)) {
printf("%s: Cannot find inode item for directory entry %.*s!\n",
__func__, item->name_len, name);
@@ -49,7 +49,7 @@ static int readdir_callback(const struct __btrfs_root *root,
target = malloc(min(inode.size + 1,
(u64) btrfs_info.sb.sectorsize));
- if (target && btrfs_readlink(root, item->location.objectid,
+ if (target && __btrfs_readlink(root, item->location.objectid,
target)) {
free(target);
target = NULL;
@@ -129,7 +129,7 @@ int btrfs_ls(const char *path)
u64 inr;
u8 type;
- inr = btrfs_lookup_path(&root, root.root_dirid, path, &type, NULL, 40);
+ inr = __btrfs_lookup_path(&root, root.root_dirid, path, &type, NULL, 40);
if (inr == -1ULL) {
printf("Cannot lookup path %s\n", path);
@@ -155,7 +155,7 @@ int btrfs_exists(const char *file)
u64 inr;
u8 type;
- inr = btrfs_lookup_path(&root, root.root_dirid, file, &type, NULL, 40);
+ inr = __btrfs_lookup_path(&root, root.root_dirid, file, &type, NULL, 40);
return (inr != -1ULL && type == BTRFS_FT_REG_FILE);
}
@@ -167,7 +167,7 @@ int btrfs_size(const char *file, loff_t *size)
u64 inr;
u8 type;
- inr = btrfs_lookup_path(&root, root.root_dirid, file, &type, &inode,
+ inr = __btrfs_lookup_path(&root, root.root_dirid, file, &type, &inode,
40);
if (inr == -1ULL) {
@@ -192,7 +192,7 @@ int btrfs_read(const char *file, void *buf, loff_t offset, loff_t len,
u64 inr, rd;
u8 type;
- inr = btrfs_lookup_path(&root, root.root_dirid, file, &type, &inode,
+ inr = __btrfs_lookup_path(&root, root.root_dirid, file, &type, &inode,
40);
if (inr == -1ULL) {
diff --git a/fs/btrfs/btrfs.h b/fs/btrfs/btrfs.h
index a52ff942f223..e8197391a232 100644
--- a/fs/btrfs/btrfs.h
+++ b/fs/btrfs/btrfs.h
@@ -46,7 +46,7 @@ int btrfs_read_superblock(void);
typedef int (*btrfs_readdir_callback_t)(const struct __btrfs_root *,
struct btrfs_dir_item *);
-int btrfs_lookup_dir_item(const struct __btrfs_root *, u64, const char *, int,
+int __btrfs_lookup_dir_item(const struct __btrfs_root *, u64, const char *, int,
struct btrfs_dir_item *);
int btrfs_readdir(const struct __btrfs_root *, u64, btrfs_readdir_callback_t);
@@ -55,12 +55,12 @@ int btrfs_find_root(u64, struct __btrfs_root *, struct btrfs_root_item *);
u64 btrfs_lookup_root_ref(u64, struct btrfs_root_ref *, char *);
/* inode.c */
-u64 btrfs_lookup_inode_ref(struct __btrfs_root *, u64, struct btrfs_inode_ref *,
+u64 __btrfs_lookup_inode_ref(struct __btrfs_root *, u64, struct btrfs_inode_ref *,
char *);
-int btrfs_lookup_inode(const struct __btrfs_root *, struct btrfs_key *,
+int __btrfs_lookup_inode(const struct __btrfs_root *, struct btrfs_key *,
struct btrfs_inode_item *, struct __btrfs_root *);
-int btrfs_readlink(const struct __btrfs_root *, u64, char *);
-u64 btrfs_lookup_path(struct __btrfs_root *, u64, const char *, u8 *,
+int __btrfs_readlink(const struct __btrfs_root *, u64, char *);
+u64 __btrfs_lookup_path(struct __btrfs_root *, u64, const char *, u8 *,
struct btrfs_inode_item *, int);
u64 btrfs_file_read(const struct __btrfs_root *, u64, u64, u64, char *);
diff --git a/fs/btrfs/compat.h b/fs/btrfs/compat.h
index 4da88fc3110c..2dbeb90d33ce 100644
--- a/fs/btrfs/compat.h
+++ b/fs/btrfs/compat.h
@@ -22,6 +22,9 @@ static inline void error(const char *fmt, ...)
#define BTRFS_UUID_UNPARSED_SIZE 37
+/* No <linux/limits.h> so have to define it here */
+#define XATTR_NAME_MAX 255
+
/*
* Macros to generate set/get funcs for the struct fields
* assume there is a lefoo_to_cpu for every type, so lets make a simple
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index c080cd38f7f7..5a913d071781 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1279,6 +1279,13 @@ size_t btrfs_super_num_csums(void);
int btrfs_find_last_root(struct btrfs_root *root, u64 objectid,
struct btrfs_root_item *item, struct btrfs_key *key);
+/* dir-item.c */
+struct btrfs_dir_item *btrfs_lookup_dir_item(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root,
+ struct btrfs_path *path, u64 dir,
+ const char *name, int name_len,
+ int mod);
+
/* ctree.c */
int btrfs_comp_cpu_keys(const struct btrfs_key *k1, const struct btrfs_key *k2);
enum btrfs_tree_block_status
diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c
index 756918df2e13..aea621c72bb3 100644
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.c
@@ -8,7 +8,7 @@
#include "btrfs.h"
#include "disk-io.h"
-static int verify_dir_item(struct btrfs_dir_item *item, u32 start, u32 total)
+static int __verify_dir_item(struct btrfs_dir_item *item, u32 start, u32 total)
{
u16 max_len = BTRFS_NAME_LEN;
u32 end;
@@ -32,7 +32,7 @@ static int verify_dir_item(struct btrfs_dir_item *item, u32 start, u32 total)
}
static struct btrfs_dir_item *
-btrfs_match_dir_item_name(struct __btrfs_path *path, const char *name,
+__btrfs_match_dir_item_name(struct __btrfs_path *path, const char *name,
int name_len)
{
struct btrfs_dir_item *item;
@@ -48,7 +48,7 @@ btrfs_match_dir_item_name(struct __btrfs_path *path, const char *name,
this_len = sizeof(*item) + item->name_len + item->data_len;
name_ptr = (const char *) (item + 1);
- if (verify_dir_item(item, cur, total_len))
+ if (__verify_dir_item(item, cur, total_len))
return NULL;
if (item->name_len == name_len && !memcmp(name_ptr, name,
name_len))
@@ -61,7 +61,7 @@ btrfs_match_dir_item_name(struct __btrfs_path *path, const char *name,
return NULL;
}
-int btrfs_lookup_dir_item(const struct __btrfs_root *root, u64 dir,
+int __btrfs_lookup_dir_item(const struct __btrfs_root *root, u64 dir,
const char *name, int name_len,
struct btrfs_dir_item *item)
{
@@ -79,7 +79,7 @@ int btrfs_lookup_dir_item(const struct __btrfs_root *root, u64 dir,
if (btrfs_comp_keys_type(&key, btrfs_path_leaf_key(&path)))
goto out;
- res = btrfs_match_dir_item_name(&path, name, name_len);
+ res = __btrfs_match_dir_item_name(&path, name, name_len);
if (res)
*item = *res;
out:
@@ -110,7 +110,7 @@ int btrfs_readdir(const struct __btrfs_root *root, u64 dir,
item = btrfs_path_item_ptr(&path, struct btrfs_dir_item);
btrfs_dir_item_to_cpu(item);
- if (verify_dir_item(item, 0, sizeof(*item) + item->name_len))
+ if (__verify_dir_item(item, 0, sizeof(*item) + item->name_len))
continue;
if (item->type == BTRFS_FT_XATTR)
continue;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index be385d8a3f98..eb34f546b57f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8,7 +8,7 @@
#include "btrfs.h"
#include <malloc.h>
-u64 btrfs_lookup_inode_ref(struct __btrfs_root *root, u64 inr,
+u64 __btrfs_lookup_inode_ref(struct __btrfs_root *root, u64 inr,
struct btrfs_inode_ref *refp, char *name)
{
struct __btrfs_path path;
@@ -44,7 +44,7 @@ out:
return res;
}
-int btrfs_lookup_inode(const struct __btrfs_root *root,
+int __btrfs_lookup_inode(const struct __btrfs_root *root,
struct btrfs_key *location,
struct btrfs_inode_item *item,
struct __btrfs_root *new_root)
@@ -83,7 +83,7 @@ out:
return res;
}
-int btrfs_readlink(const struct __btrfs_root *root, u64 inr, char *target)
+int __btrfs_readlink(const struct __btrfs_root *root, u64 inr, char *target)
{
struct __btrfs_path path;
struct btrfs_key key;
@@ -137,7 +137,7 @@ out:
/* inr must be a directory (for regular files with multiple hard links this
function returns only one of the parents of the file) */
-static u64 get_parent_inode(struct __btrfs_root *root, u64 inr,
+static u64 __get_parent_inode(struct __btrfs_root *root, u64 inr,
struct btrfs_inode_item *inode_item)
{
struct btrfs_key key;
@@ -164,14 +164,14 @@ static u64 get_parent_inode(struct __btrfs_root *root, u64 inr,
key.type = BTRFS_INODE_ITEM_KEY;
key.offset = 0;
- if (btrfs_lookup_inode(root, &key, inode_item, NULL))
+ if (__btrfs_lookup_inode(root, &key, inode_item, NULL))
return -1ULL;
}
return inr;
}
- res = btrfs_lookup_inode_ref(root, inr, NULL, NULL);
+ res = __btrfs_lookup_inode_ref(root, inr, NULL, NULL);
if (res == -1ULL)
return -1ULL;
@@ -180,7 +180,7 @@ static u64 get_parent_inode(struct __btrfs_root *root, u64 inr,
key.type = BTRFS_INODE_ITEM_KEY;
key.offset = 0;
- if (btrfs_lookup_inode(root, &key, inode_item, NULL))
+ if (__btrfs_lookup_inode(root, &key, inode_item, NULL))
return -1ULL;
}
@@ -209,7 +209,7 @@ static inline const char *skip_current_directories(const char *cur)
return cur;
}
-u64 btrfs_lookup_path(struct __btrfs_root *root, u64 inr, const char *path,
+u64 __btrfs_lookup_path(struct __btrfs_root *root, u64 inr, const char *path,
u8 *type_p, struct btrfs_inode_item *inode_item_p,
int symlink_limit)
{
@@ -239,7 +239,7 @@ u64 btrfs_lookup_path(struct __btrfs_root *root, u64 inr, const char *path,
if (len == 2 && cur[0] == '.' && cur[1] == '.') {
cur += 2;
- inr = get_parent_inode(root, inr, &inode_item);
+ inr = __get_parent_inode(root, inr, &inode_item);
if (inr == -1ULL)
return -1ULL;
@@ -250,12 +250,12 @@ u64 btrfs_lookup_path(struct __btrfs_root *root, u64 inr, const char *path,
if (!*cur)
break;
- if (btrfs_lookup_dir_item(root, inr, cur, len, &item))
+ if (__btrfs_lookup_dir_item(root, inr, cur, len, &item))
return -1ULL;
type = item.type;
have_inode = 1;
- if (btrfs_lookup_inode(root, (struct btrfs_key *)&item.location,
+ if (__btrfs_lookup_inode(root, (struct btrfs_key *)&item.location,
&inode_item, root))
return -1ULL;
@@ -272,13 +272,13 @@ u64 btrfs_lookup_path(struct __btrfs_root *root, u64 inr, const char *path,
if (!target)
return -1ULL;
- if (btrfs_readlink(root, item.location.objectid,
+ if (__btrfs_readlink(root, item.location.objectid,
target)) {
free(target);
return -1ULL;
}
- inr = btrfs_lookup_path(root, inr, target, &type,
+ inr = __btrfs_lookup_path(root, inr, target, &type,
&inode_item, symlink_limit - 1);
free(target);
@@ -307,7 +307,7 @@ u64 btrfs_lookup_path(struct __btrfs_root *root, u64 inr, const char *path,
key.type = BTRFS_INODE_ITEM_KEY;
key.offset = 0;
- if (btrfs_lookup_inode(root, &key, &inode_item, NULL))
+ if (__btrfs_lookup_inode(root, &key, &inode_item, NULL))
return -1ULL;
}
diff --git a/fs/btrfs/subvolume.c b/fs/btrfs/subvolume.c
index 72b847b940da..0e72577d0df5 100644
--- a/fs/btrfs/subvolume.c
+++ b/fs/btrfs/subvolume.c
@@ -39,7 +39,7 @@ static int get_subvol_name(u64 subvolid, char *name, int max_len)
dir = rref.dirid;
while (dir != BTRFS_FIRST_FREE_OBJECTID) {
- dir = btrfs_lookup_inode_ref(&root, dir, &iref, tmp);
+ dir = __btrfs_lookup_inode_ref(&root, dir, &iref, tmp);
if (dir == -1ULL)
return -1;
@@ -71,7 +71,7 @@ u64 btrfs_get_default_subvol_objectid(void)
{
struct btrfs_dir_item item;
- if (btrfs_lookup_dir_item(&btrfs_info.tree_root,
+ if (__btrfs_lookup_dir_item(&btrfs_info.tree_root,
btrfs_info.sb.root_dir_objectid, "default", 7,
&item))
return BTRFS_FS_TREE_OBJECTID;
--
2.26.2
next prev parent reply other threads:[~2020-05-25 6:33 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-25 6:32 [PATCH U-BOOT v2 00/30] fs: btrfs: Re-implement btrfs support using the more widely used extent buffer base code Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 01/30] fs: btrfs: Sync btrfs_btree.h from kernel Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 02/30] fs: btrfs: Add More checksum algorithm support to btrfs Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 03/30] fs: btrfs: Cross-port btrfs_read_dev_super() from btrfs-progs Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 04/30] fs: btrfs: Cross-port rbtree-utils " Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 05/30] fs: btrfs: Cross-port extent-cache.[ch] " Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 06/30] fs: btrfs: Cross-port extent-io.[ch] " Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 07/30] fs: btrfs: Cross port structure accessor into ctree.h Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 08/30] fs: btrfs: Cross port volumes.[ch] from btrfs-progs Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 09/30] fs: btrfs: Crossport read_tree_block() " Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 10/30] fs: btrfs: Rename struct btrfs_path to struct __btrfs_path Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 11/30] fs: btrfs: Rename btrfs_root to __btrfs_root Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 12/30] fs: btrfs: Cross port struct btrfs_root to ctree.h Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 13/30] fs: btrfs: Crossport btrfs_search_slot() from btrfs-progs Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 14/30] fs: btrfs: Crossport btrfs_read_sys_array() and btrfs_read_chunk_tree() Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 15/30] fs: btrfs: Crossport open_ctree_fs_info() Qu Wenruo
2020-05-25 6:32 ` Qu Wenruo [this message]
2020-05-25 6:32 ` [PATCH U-BOOT v2 17/30] fs: btrfs: Use btrfs_readlink() to implement __btrfs_readlink() Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 18/30] fs: btrfs: inode: Allow next_length() to return value > BTRFS_NAME_LEN Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 19/30] fs: btrfs: Implement btrfs_lookup_path() Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 20/30] fs: btrfs: Use btrfs_iter_dir() to replace btrfs_readdir() Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 21/30] fs: btrfs: Use btrfs_lookup_path() to implement btrfs_exists() and btrfs_size() Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 22/30] fs: btrfs: Rename btrfs_file_read() and its callees to avoid name conflicts Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 23/30] fs: btrfs: Introduce btrfs_read_extent_inline() and btrfs_read_extent_reg() Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 24/30] fs: btrfs: Introduce lookup_data_extent() for later use Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 25/30] fs: btrfs: Implement btrfs_file_read() Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 26/30] fs: btrfs: Introduce function to reolve path in one subvolume Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 27/30] fs: btrfs: Introduce function to resolve the path of " Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 28/30] fs: btrfs: Imeplement btrfs_list_subvols() using new infrastructure Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 29/30] fs: btrfs: Cleanup the old implementation Qu Wenruo
2020-05-25 6:32 ` [PATCH U-BOOT v2 30/30] MAINTAINERS: Add btrfs mail list Qu Wenruo
2020-06-23 0:50 ` [PATCH U-BOOT v2 00/30] fs: btrfs: Re-implement btrfs support using the more widely used extent buffer base code Qu Wenruo
2020-06-23 15:05 ` Marek Behún
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