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ext4: pack ioend structure better

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On 64-bit architectures we have two 4-byte holes in struct ext4_io_end.
Order entries better to avoid this and thus make the structure occupy
64 instead of 72 bytes for 64-bit architectures.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jan Kara 2016-03-08 22:26:39 -05:00 committed by Theodore Ts'o
parent cb0d9d47a3
commit 3bd6ad7b68
1 changed files with 1 additions and 1 deletions
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2
fs/ext4/ext4.h
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@ -182,9 +182,9 @@ typedef struct ext4_io_end {
struct bio *bio; /* Linked list of completed
* bios covering the extent */
unsigned int flag; /* unwritten or not */
atomic_t count; /* reference counter */
loff_t offset; /* offset in the file */
ssize_t size; /* size of the extent */
atomic_t count; /* reference counter */
} ext4_io_end_t;
struct ext4_io_submit {