Prepare for supporting per-inode write streams.
Part of the existing 32-bit hole is used for the new field.
Signed-off-by: Kanchan Joshi <joshi.k@xxxxxxxxxxx>
---
fs/inode.c | 1 +
include/linux/fs.h | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/inode.c b/fs/inode.c
index 01ebdc40021e..bb1a9a043b32 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -250,6 +250,7 @@ int inode_init_always_gfp(struct super_block *sb, struct inode *inode, gfp_t gfp
atomic_set(&inode->i_writecount, 0);
inode->i_size = 0;
inode->i_write_hint = WRITE_LIFE_NOT_SET;
+ inode->i_write_stream = 0;
inode->i_blocks = 0;
inode->i_bytes = 0;
inode->i_generation = 0;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b1d514901bf8..3c41ce0f641c 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -725,7 +725,8 @@ struct inode {
/* Misc */
u32 i_state;
- /* 32-bit hole */
+ u8 i_write_stream;
+ /* 24-bit hole */
struct rw_semaphore i_rwsem;
unsigned long dirtied_when; /* jiffies of first dirtying */
--
2.25.1
