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| author | Jeff Layton <jlayton@redhat.com> | 2017-07-31 00:55:34 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2017-07-31 00:55:34 -0400 |
| commit | 9c5d58fb9e1df8c9ead4daf9e770ce61e4256e02 (patch) | |
| tree | 99ee08e223359bf4afc49fa120ec14e8c384ac0b /fs/ext4/ioctl.c | |
| parent | 191eac33009e6a6d31e87cfa425a20d0e79704b4 (diff) | |
| download | linux-9c5d58fb9e1df8c9ead4daf9e770ce61e4256e02.tar.gz linux-9c5d58fb9e1df8c9ead4daf9e770ce61e4256e02.tar.bz2 linux-9c5d58fb9e1df8c9ead4daf9e770ce61e4256e02.zip | |
ext4: convert swap_inode_data() over to use swap() on most of the fields
For some odd reason, it forces a byte-by-byte copy of each field. A
plain old swap() on most of these fields would be more efficient. We
do need to retain the memswap of i_data however as that field is an array.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext4/ioctl.c')
| -rw-r--r-- | fs/ext4/ioctl.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 42b3a73143cf..4f4a8391585c 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -64,18 +64,16 @@ static void swap_inode_data(struct inode *inode1, struct inode *inode2) ei1 = EXT4_I(inode1); ei2 = EXT4_I(inode2); - memswap(&inode1->i_flags, &inode2->i_flags, sizeof(inode1->i_flags)); - memswap(&inode1->i_version, &inode2->i_version, - sizeof(inode1->i_version)); - memswap(&inode1->i_blocks, &inode2->i_blocks, - sizeof(inode1->i_blocks)); - memswap(&inode1->i_bytes, &inode2->i_bytes, sizeof(inode1->i_bytes)); - memswap(&inode1->i_atime, &inode2->i_atime, sizeof(inode1->i_atime)); - memswap(&inode1->i_mtime, &inode2->i_mtime, sizeof(inode1->i_mtime)); + swap(inode1->i_flags, inode2->i_flags); + swap(inode1->i_version, inode2->i_version); + swap(inode1->i_blocks, inode2->i_blocks); + swap(inode1->i_bytes, inode2->i_bytes); + swap(inode1->i_atime, inode2->i_atime); + swap(inode1->i_mtime, inode2->i_mtime); memswap(ei1->i_data, ei2->i_data, sizeof(ei1->i_data)); - memswap(&ei1->i_flags, &ei2->i_flags, sizeof(ei1->i_flags)); - memswap(&ei1->i_disksize, &ei2->i_disksize, sizeof(ei1->i_disksize)); + swap(ei1->i_flags, ei2->i_flags); + swap(ei1->i_disksize, ei2->i_disksize); ext4_es_remove_extent(inode1, 0, EXT_MAX_BLOCKS); ext4_es_remove_extent(inode2, 0, EXT_MAX_BLOCKS); |