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-rw-r--r--include/linux/ext3_fs_i.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/ext3_fs_i.h b/include/linux/ext3_fs_i.h
index e71dd98dbcae..7abf90147180 100644
--- a/include/linux/ext3_fs_i.h
+++ b/include/linux/ext3_fs_i.h
@@ -19,6 +19,7 @@
19#include <linux/rwsem.h> 19#include <linux/rwsem.h>
20#include <linux/rbtree.h> 20#include <linux/rbtree.h>
21#include <linux/seqlock.h> 21#include <linux/seqlock.h>
22#include <linux/mutex.h>
22 23
23struct ext3_reserve_window { 24struct ext3_reserve_window {
24 __u32 _rsv_start; /* First byte reserved */ 25 __u32 _rsv_start; /* First byte reserved */
@@ -122,16 +123,16 @@ struct ext3_inode_info {
122 __u16 i_extra_isize; 123 __u16 i_extra_isize;
123 124
124 /* 125 /*
125 * truncate_sem is for serialising ext3_truncate() against 126 * truncate_mutex is for serialising ext3_truncate() against
126 * ext3_getblock(). In the 2.4 ext2 design, great chunks of inode's 127 * ext3_getblock(). In the 2.4 ext2 design, great chunks of inode's
127 * data tree are chopped off during truncate. We can't do that in 128 * data tree are chopped off during truncate. We can't do that in
128 * ext3 because whenever we perform intermediate commits during 129 * ext3 because whenever we perform intermediate commits during
129 * truncate, the inode and all the metadata blocks *must* be in a 130 * truncate, the inode and all the metadata blocks *must* be in a
130 * consistent state which allows truncation of the orphans to restart 131 * consistent state which allows truncation of the orphans to restart
131 * during recovery. Hence we must fix the get_block-vs-truncate race 132 * during recovery. Hence we must fix the get_block-vs-truncate race
132 * by other means, so we have truncate_sem. 133 * by other means, so we have truncate_mutex.
133 */ 134 */
134 struct semaphore truncate_sem; 135 struct mutex truncate_mutex;
135 struct inode vfs_inode; 136 struct inode vfs_inode;
136}; 137};
137 138