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-rw-r--r--include/linux/ext4_fs.h25
-rw-r--r--include/linux/ext4_fs_i.h6
2 files changed, 7 insertions, 24 deletions
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h
index 583049c1d36..300cc5a5adb 100644
--- a/include/linux/ext4_fs.h
+++ b/include/linux/ext4_fs.h
@@ -1107,27 +1107,10 @@ extern void ext4_ext_init(struct super_block *);
extern void ext4_ext_release(struct super_block *);
extern long ext4_fallocate(struct inode *inode, int mode, loff_t offset,
loff_t len);
-static inline int
-ext4_get_blocks_wrap(handle_t *handle, struct inode *inode, sector_t block,
- unsigned long max_blocks, struct buffer_head *bh,
- int create, int extend_disksize)
-{
- int retval;
- mutex_lock(&EXT4_I(inode)->truncate_mutex);
- if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) {
- retval = ext4_ext_get_blocks(handle, inode,
- (ext4_lblk_t)block, max_blocks,
- bh, create, extend_disksize);
- } else {
- retval = ext4_get_blocks_handle(handle, inode,
- (ext4_lblk_t)block, max_blocks,
- bh, create, extend_disksize);
- }
- mutex_unlock(&EXT4_I(inode)->truncate_mutex);
- return retval;
-}
-
-
+extern int ext4_get_blocks_wrap(handle_t *handle, struct inode *inode,
+ sector_t block, unsigned long max_blocks,
+ struct buffer_head *bh, int create,
+ int extend_disksize);
#endif /* __KERNEL__ */
#endif /* _LINUX_EXT4_FS_H */
diff --git a/include/linux/ext4_fs_i.h b/include/linux/ext4_fs_i.h
index f1cd4934e46..4377d249d37 100644
--- a/include/linux/ext4_fs_i.h
+++ b/include/linux/ext4_fs_i.h
@@ -139,16 +139,16 @@ struct ext4_inode_info {
__u16 i_extra_isize;
/*
- * truncate_mutex is for serialising ext4_truncate() against
+ * i_data_sem is for serialising ext4_truncate() against
* ext4_getblock(). In the 2.4 ext2 design, great chunks of inode's
* data tree are chopped off during truncate. We can't do that in
* ext4 because whenever we perform intermediate commits during
* truncate, the inode and all the metadata blocks *must* be in a
* consistent state which allows truncation of the orphans to restart
* during recovery. Hence we must fix the get_block-vs-truncate race
- * by other means, so we have truncate_mutex.
+ * by other means, so we have i_data_sem.
*/
- struct mutex truncate_mutex;
+ struct rw_semaphore i_data_sem;
struct inode vfs_inode;
unsigned long i_ext_generation;