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authorRitesh Harjani <riteshh@linux.ibm.com>2020-05-10 11:54:51 +0530
committerTheodore Ts'o <tytso@mit.edu>2020-06-03 23:16:52 -0400
commit6db074618969dc6fac4978e8043945fd440b310a (patch)
tree341e1afd3334164ae8b368da12b266ea63be5b3c /fs/ext4
parent9bee5779ee26d6debc84e0f1e4e54daa93f13ebc (diff)
downloadlwn-6db074618969dc6fac4978e8043945fd440b310a.tar.gz
lwn-6db074618969dc6fac4978e8043945fd440b310a.zip
ext4: use BIT() macro for BH_** state bits
Simply use BIT() macro for all BH_** state bits instead of open coding it. There should be no functionality change in this patch. Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com> Link: https://lore.kernel.org/r/57667689f51a3f9dba2fcef7d3425187fa3ba69f.1589086800.git.riteshh@linux.ibm.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/ext4.h8
-rw-r--r--fs/ext4/inode.c4
2 files changed, 6 insertions, 6 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 5d901bf92ce9..89cac4e32018 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -171,10 +171,10 @@ struct ext4_allocation_request {
* well as to store the information returned by ext4_map_blocks(). It
* takes less room on the stack than a struct buffer_head.
*/
-#define EXT4_MAP_NEW (1 << BH_New)
-#define EXT4_MAP_MAPPED (1 << BH_Mapped)
-#define EXT4_MAP_UNWRITTEN (1 << BH_Unwritten)
-#define EXT4_MAP_BOUNDARY (1 << BH_Boundary)
+#define EXT4_MAP_NEW BIT(BH_New)
+#define EXT4_MAP_MAPPED BIT(BH_Mapped)
+#define EXT4_MAP_UNWRITTEN BIT(BH_Unwritten)
+#define EXT4_MAP_BOUNDARY BIT(BH_Boundary)
#define EXT4_MAP_FLAGS (EXT4_MAP_NEW | EXT4_MAP_MAPPED |\
EXT4_MAP_UNWRITTEN | EXT4_MAP_BOUNDARY)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 456e8a6b4809..043ee7efce5f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2084,7 +2084,7 @@ static int mpage_submit_page(struct mpage_da_data *mpd, struct page *page)
return err;
}
-#define BH_FLAGS ((1 << BH_Unwritten) | (1 << BH_Delay))
+#define BH_FLAGS (BIT(BH_Unwritten) | BIT(BH_Delay))
/*
* mballoc gives us at most this number of blocks...
@@ -2364,7 +2364,7 @@ static int mpage_map_one_extent(handle_t *handle, struct mpage_da_data *mpd)
dioread_nolock = ext4_should_dioread_nolock(inode);
if (dioread_nolock)
get_blocks_flags |= EXT4_GET_BLOCKS_IO_CREATE_EXT;
- if (map->m_flags & (1 << BH_Delay))
+ if (map->m_flags & BIT(BH_Delay))
get_blocks_flags |= EXT4_GET_BLOCKS_DELALLOC_RESERVE;
err = ext4_map_blocks(handle, inode, map, get_blocks_flags);