diff options
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 0ab26fbf3380..c74b1948feb0 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -561,6 +561,17 @@ enum { #define EXT4_GET_BLOCKS_NO_PUT_HOLE 0x0200 /* + * The bit position of this flag must not overlap with any of the + * EXT4_GET_BLOCKS_*. It is used by ext4_ext_find_extent(), + * read_extent_tree_block(), ext4_split_extent_at(), + * ext4_ext_insert_extent(), and ext4_ext_create_new_leaf() to + * indicate that the we shouldn't be caching the extents when reading + * from the extent tree while a truncate or punch hole operation + * is in progress. + */ +#define EXT4_EX_NOCACHE 0x0400 + +/* * Flags used by ext4_free_blocks */ #define EXT4_FREE_BLOCKS_METADATA 0x0001 @@ -2684,7 +2695,8 @@ extern int ext4_ext_insert_extent(handle_t *, struct inode *, struct ext4_ext_path *, struct ext4_extent *, int); extern struct ext4_ext_path *ext4_ext_find_extent(struct inode *, ext4_lblk_t, - struct ext4_ext_path *); + struct ext4_ext_path *, + int flags); extern void ext4_ext_drop_refs(struct ext4_ext_path *); extern int ext4_ext_check_inode(struct inode *inode); extern int ext4_find_delalloc_range(struct inode *inode, |