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-rw-r--r--fs/ext4/ext4.h3
-rw-r--r--fs/ext4/ext4_jbd2.h12
-rw-r--r--fs/ext4/inode.c10
-rw-r--r--fs/ext4/move_extent.c2
4 files changed, 22 insertions, 5 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index f75e9ebd4ca2..cb00b1119ec9 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -581,6 +581,9 @@ enum {
#define EXT4_GET_BLOCKS_ZERO 0x0200
#define EXT4_GET_BLOCKS_CREATE_ZERO (EXT4_GET_BLOCKS_CREATE |\
EXT4_GET_BLOCKS_ZERO)
+ /* Caller will submit data before dropping transaction handle. This
+ * allows jbd2 to avoid submitting data before commit. */
+#define EXT4_GET_BLOCKS_IO_SUBMIT 0x0400
/*
* The bit position of these flags must not overlap with any of the
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index f1c940b38b30..09c1ef38cbe6 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -359,7 +359,8 @@ static inline int ext4_journal_force_commit(journal_t *journal)
return 0;
}
-static inline int ext4_jbd2_file_inode(handle_t *handle, struct inode *inode)
+static inline int ext4_jbd2_inode_add_write(handle_t *handle,
+ struct inode *inode)
{
if (ext4_handle_valid(handle))
return jbd2_journal_inode_add_write(handle,
@@ -367,6 +368,15 @@ static inline int ext4_jbd2_file_inode(handle_t *handle, struct inode *inode)
return 0;
}
+static inline int ext4_jbd2_inode_add_wait(handle_t *handle,
+ struct inode *inode)
+{
+ if (ext4_handle_valid(handle))
+ return jbd2_journal_inode_add_wait(handle,
+ EXT4_I(inode)->jinode);
+ return 0;
+}
+
static inline void ext4_update_inode_fsync_trans(handle_t *handle,
struct inode *inode,
int datasync)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 8ba46ad06aed..17bfa42ac971 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -695,7 +695,10 @@ out_sem:
!(flags & EXT4_GET_BLOCKS_ZERO) &&
!IS_NOQUOTA(inode) &&
ext4_should_order_data(inode)) {
- ret = ext4_jbd2_file_inode(handle, inode);
+ if (flags & EXT4_GET_BLOCKS_IO_SUBMIT)
+ ret = ext4_jbd2_inode_add_wait(handle, inode);
+ else
+ ret = ext4_jbd2_inode_add_write(handle, inode);
if (ret)
return ret;
}
@@ -2319,7 +2322,8 @@ static int mpage_map_one_extent(handle_t *handle, struct mpage_da_data *mpd)
* the data was copied into the page cache.
*/
get_blocks_flags = EXT4_GET_BLOCKS_CREATE |
- EXT4_GET_BLOCKS_METADATA_NOFAIL;
+ EXT4_GET_BLOCKS_METADATA_NOFAIL |
+ EXT4_GET_BLOCKS_IO_SUBMIT;
dioread_nolock = ext4_should_dioread_nolock(inode);
if (dioread_nolock)
get_blocks_flags |= EXT4_GET_BLOCKS_IO_CREATE_EXT;
@@ -3634,7 +3638,7 @@ static int __ext4_block_zero_page_range(handle_t *handle,
err = 0;
mark_buffer_dirty(bh);
if (ext4_should_order_data(inode))
- err = ext4_jbd2_file_inode(handle, inode);
+ err = ext4_jbd2_inode_add_write(handle, inode);
}
unlock:
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 325cef48b39a..a920c5d29fac 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -400,7 +400,7 @@ data_copy:
/* Even in case of data=writeback it is reasonable to pin
* inode to transaction, to prevent unexpected data loss */
- *err = ext4_jbd2_file_inode(handle, orig_inode);
+ *err = ext4_jbd2_inode_add_write(handle, orig_inode);
unlock_pages:
unlock_page(pagep[0]);