[PATCH v2 51/63] fs/ext4: Use the new blk_opf_t type

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Improve static type checking by using the new blk_opf_t type for
variables that represent request flags.

Cc: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
 fs/ext4/ext4.h        |  8 ++++----
 fs/ext4/fast_commit.c |  2 +-
 fs/ext4/super.c       | 14 +++++++-------
 3 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 75b8d81b2469..29fc575a4eb6 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -3058,14 +3058,14 @@ extern unsigned int ext4_list_backups(struct super_block *sb,
 
 /* super.c */
 extern struct buffer_head *ext4_sb_bread(struct super_block *sb,
-					 sector_t block, int op_flags);
+					 sector_t block, blk_opf_t op_flags);
 extern struct buffer_head *ext4_sb_bread_unmovable(struct super_block *sb,
 						   sector_t block);
-extern void ext4_read_bh_nowait(struct buffer_head *bh, int op_flags,
+extern void ext4_read_bh_nowait(struct buffer_head *bh, blk_opf_t op_flags,
 				bh_end_io_t *end_io);
-extern int ext4_read_bh(struct buffer_head *bh, int op_flags,
+extern int ext4_read_bh(struct buffer_head *bh, blk_opf_t op_flags,
 			bh_end_io_t *end_io);
-extern int ext4_read_bh_lock(struct buffer_head *bh, int op_flags, bool wait);
+extern int ext4_read_bh_lock(struct buffer_head *bh, blk_opf_t op_flags, bool wait);
 extern void ext4_sb_breadahead_unmovable(struct super_block *sb, sector_t block);
 extern int ext4_seq_options_show(struct seq_file *seq, void *offset);
 extern int ext4_calculate_overhead(struct super_block *sb);
diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 0df5482c6c1c..eb4c8ad1bb61 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -658,7 +658,7 @@ void ext4_fc_track_range(handle_t *handle, struct inode *inode, ext4_lblk_t star
 
 static void ext4_fc_submit_bh(struct super_block *sb, bool is_tail)
 {
-	int write_flags = REQ_SYNC;
+	blk_opf_t write_flags = REQ_SYNC;
 	struct buffer_head *bh = EXT4_SB(sb)->s_fc_bh;
 
 	/* Add REQ_FUA | REQ_PREFLUSH only its tail */
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 24922184b622..2c68dec63e54 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -159,7 +159,7 @@ MODULE_ALIAS("ext3");
 #define IS_EXT3_SB(sb) ((sb)->s_bdev->bd_holder == &ext3_fs_type)
 
 
-static inline void __ext4_read_bh(struct buffer_head *bh, int op_flags,
+static inline void __ext4_read_bh(struct buffer_head *bh, blk_opf_t op_flags,
 				  bh_end_io_t *end_io)
 {
 	/*
@@ -174,7 +174,7 @@ static inline void __ext4_read_bh(struct buffer_head *bh, int op_flags,
 	submit_bh(REQ_OP_READ | op_flags, bh);
 }
 
-void ext4_read_bh_nowait(struct buffer_head *bh, int op_flags,
+void ext4_read_bh_nowait(struct buffer_head *bh, blk_opf_t op_flags,
 			 bh_end_io_t *end_io)
 {
 	BUG_ON(!buffer_locked(bh));
@@ -186,7 +186,7 @@ void ext4_read_bh_nowait(struct buffer_head *bh, int op_flags,
 	__ext4_read_bh(bh, op_flags, end_io);
 }
 
-int ext4_read_bh(struct buffer_head *bh, int op_flags, bh_end_io_t *end_io)
+int ext4_read_bh(struct buffer_head *bh, blk_opf_t op_flags, bh_end_io_t *end_io)
 {
 	BUG_ON(!buffer_locked(bh));
 
@@ -203,7 +203,7 @@ int ext4_read_bh(struct buffer_head *bh, int op_flags, bh_end_io_t *end_io)
 	return -EIO;
 }
 
-int ext4_read_bh_lock(struct buffer_head *bh, int op_flags, bool wait)
+int ext4_read_bh_lock(struct buffer_head *bh, blk_opf_t op_flags, bool wait)
 {
 	if (trylock_buffer(bh)) {
 		if (wait)
@@ -227,8 +227,8 @@ int ext4_read_bh_lock(struct buffer_head *bh, int op_flags, bool wait)
  * return.
  */
 static struct buffer_head *__ext4_sb_bread_gfp(struct super_block *sb,
-					       sector_t block, int op_flags,
-					       gfp_t gfp)
+					       sector_t block,
+					       blk_opf_t op_flags, gfp_t gfp)
 {
 	struct buffer_head *bh;
 	int ret;
@@ -248,7 +248,7 @@ static struct buffer_head *__ext4_sb_bread_gfp(struct super_block *sb,
 }
 
 struct buffer_head *ext4_sb_bread(struct super_block *sb, sector_t block,
-				   int op_flags)
+				   blk_opf_t op_flags)
 {
 	return __ext4_sb_bread_gfp(sb, block, op_flags, __GFP_MOVABLE);
 }



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