ext4: add flag to ext4_has_free_blocks

[mirror_ubuntu-bionic-kernel.git] / fs / ext4 / ext4.h

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 2bc4c21f1d26afee12edc25fa92e209c5e9c4755..2f310d1839ed9370c56635d64909e7412844eeae 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -108,7 +108,8 @@ typedef unsigned int ext4_group_t;
 #define EXT4_MB_DELALLOC_RESERVED      0x0400
 /* We are doing stream allocation */
 #define EXT4_MB_STREAM_ALLOC           0x0800
-
+/* Use reserved root blocks if needed */
+#define EXT4_MB_USE_ROOT_BLOCKS                0x1000
 
 struct ext4_allocation_request {
        /* target inode for block we're allocating */
@@ -514,6 +515,8 @@ struct ext4_new_group_data {
        /* Convert extent to initialized after IO complete */
 #define EXT4_GET_BLOCKS_IO_CONVERT_EXT         (EXT4_GET_BLOCKS_CONVERT|\
                                         EXT4_GET_BLOCKS_CREATE_UNINIT_EXT)
+       /* Punch out blocks of an extent */
+#define EXT4_GET_BLOCKS_PUNCH_OUT_EXT          0x0020
 
 /*
  * Flags used by ext4_free_blocks
@@ -1718,8 +1721,12 @@ extern int ext4_bg_has_super(struct super_block *sb, ext4_group_t group);
 extern unsigned long ext4_bg_num_gdb(struct super_block *sb,
                        ext4_group_t group);
 extern ext4_fsblk_t ext4_new_meta_blocks(handle_t *handle, struct inode *inode,
-                       ext4_fsblk_t goal, unsigned long *count, int *errp);
-extern int ext4_claim_free_blocks(struct ext4_sb_info *sbi, s64 nblocks);
+                                        ext4_fsblk_t goal,
+                                        unsigned int flags,
+                                        unsigned long *count,
+                                        int *errp);
+extern int ext4_claim_free_blocks(struct ext4_sb_info *sbi,
+                                 s64 nblocks, unsigned int flags);
 extern ext4_fsblk_t ext4_count_free_blocks(struct super_block *);
 extern void ext4_check_blocks_bitmap(struct super_block *);
 extern struct ext4_group_desc * ext4_get_group_desc(struct super_block * sb,