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authorYe Bin <yebin10@huawei.com>2023-08-15 14:26:10 +0300
committerJan Kara <jack@suse.cz>2023-08-16 18:42:42 +0300
commitb450159d0903b06ebea121a010ab9c424b67c408 (patch)
treeb75bd71872b7fdb0c817601796e1f8adb434c64a /fs/ext2
parent2445a8a1922b46c56189203f7fdc1e1cb2a47cdd (diff)
downloadlinux-b450159d0903b06ebea121a010ab9c424b67c408.tar.xz
ext2: introduce new flags argument for ext2_new_blocks()
This patch introduces a new flags argument for ext2_new_blocks() and also a new EXT2_ALLOC_NORESERVE flag. Signed-off-by: Ye Bin <yebin10@huawei.com> Message-Id: <20230815112612.221145-3-yebin10@huawei.com> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext2')
-rw-r--r--fs/ext2/balloc.c3
-rw-r--r--fs/ext2/ext2.h8
-rw-r--r--fs/ext2/inode.c2
-rw-r--r--fs/ext2/xattr.c2
4 files changed, 11 insertions, 4 deletions
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index ddaa823fc7f5..a9648c3137db 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -1195,6 +1195,7 @@ int ext2_data_block_valid(struct ext2_sb_info *sbi, ext2_fsblk_t start_blk,
* @goal: given target block(filesystem wide)
* @count: target number of blocks to allocate
* @errp: error code
+ * @flags: allocate flags
*
* ext2_new_blocks uses a goal block to assist allocation. If the goal is
* free, or there is a free block within 32 blocks of the goal, that block
@@ -1204,7 +1205,7 @@ int ext2_data_block_valid(struct ext2_sb_info *sbi, ext2_fsblk_t start_blk,
* This function also updates quota and i_blocks field.
*/
ext2_fsblk_t ext2_new_blocks(struct inode *inode, ext2_fsblk_t goal,
- unsigned long *count, int *errp)
+ unsigned long *count, int *errp, unsigned int flags)
{
struct buffer_head *bitmap_bh = NULL;
struct buffer_head *gdp_bh;
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 954fb82ab22c..26dbe579768c 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -399,6 +399,12 @@ struct ext2_inode {
#define EXT2_ERRORS_DEFAULT EXT2_ERRORS_CONTINUE
/*
+ * Allocation flags
+ */
+#define EXT2_ALLOC_NORESERVE 0x1 /* Do not use reservation
+ * window for allocation */
+
+/*
* Structure of the super block
*/
struct ext2_super_block {
@@ -696,7 +702,7 @@ static inline struct ext2_inode_info *EXT2_I(struct inode *inode)
extern int ext2_bg_has_super(struct super_block *sb, int group);
extern unsigned long ext2_bg_num_gdb(struct super_block *sb, int group);
extern ext2_fsblk_t ext2_new_blocks(struct inode *, unsigned long,
- unsigned long *, int *);
+ unsigned long *, int *, unsigned int);
extern int ext2_data_block_valid(struct ext2_sb_info *sbi, ext2_fsblk_t start_blk,
unsigned int count);
extern void ext2_free_blocks (struct inode *, unsigned long,
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 75983215c7a1..39c958f7e028 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -415,7 +415,7 @@ static int ext2_alloc_blocks(struct inode *inode,
while (1) {
count = target;
/* allocating blocks for indirect blocks and direct blocks */
- current_block = ext2_new_blocks(inode,goal,&count,err);
+ current_block = ext2_new_blocks(inode, goal, &count, err, 0);
if (*err)
goto failed_out;
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 06933eabac26..3b4ff6974ab8 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -744,7 +744,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
EXT2_I(inode)->i_block_group);
unsigned long count = 1;
ext2_fsblk_t block = ext2_new_blocks(inode, goal,
- &count, &error);
+ &count, &error, 0);
if (error)
goto cleanup;
ea_idebug(inode, "creating block %lu", block);