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authorRitesh Harjani <riteshh@linux.ibm.com>2019-10-16 10:37:07 +0300
committerTheodore Ts'o <tytso@mit.edu>2019-10-22 22:32:53 +0300
commit821ff38d192a42a95fe33b5928ce5ed15cbe8564 (patch)
tree29653b8676caca6ff69324e0c81087c472abb38f /fs/ext4
parent4f5cafb5cb8471e54afdc9054d973535614f7675 (diff)
downloadlinux-821ff38d192a42a95fe33b5928ce5ed15cbe8564.tar.xz
ext4: keep uniform naming convention for io & io_end variables
Let's keep uniform naming convention for ext4_submit_io (io) & ext4_end_io_t (io_end) structures, to avoid any confusion. No functionality change in this patch. Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com> Link: https://lore.kernel.org/r/20191016073711.4141-2-riteshh@linux.ibm.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/page-io.c55
1 files changed, 28 insertions, 27 deletions
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 12ceadef32c5..d9b96fc976a3 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -136,19 +136,19 @@ static void ext4_release_io_end(ext4_io_end_t *io_end)
* cannot get to ext4_ext_truncate() before all IOs overlapping that range are
* completed (happens from ext4_free_ioend()).
*/
-static int ext4_end_io(ext4_io_end_t *io)
+static int ext4_end_io_end(ext4_io_end_t *io_end)
{
- struct inode *inode = io->inode;
- loff_t offset = io->offset;
- ssize_t size = io->size;
- handle_t *handle = io->handle;
+ struct inode *inode = io_end->inode;
+ loff_t offset = io_end->offset;
+ ssize_t size = io_end->size;
+ handle_t *handle = io_end->handle;
int ret = 0;
- ext4_debug("ext4_end_io_nolock: io 0x%p from inode %lu,list->next 0x%p,"
+ ext4_debug("ext4_end_io_nolock: io_end 0x%p from inode %lu,list->next 0x%p,"
"list->prev 0x%p\n",
- io, inode->i_ino, io->list.next, io->list.prev);
+ io_end, inode->i_ino, io_end->list.next, io_end->list.prev);
- io->handle = NULL; /* Following call will use up the handle */
+ io_end->handle = NULL; /* Following call will use up the handle */
ret = ext4_convert_unwritten_extents(handle, inode, offset, size);
if (ret < 0 && !ext4_forced_shutdown(EXT4_SB(inode->i_sb))) {
ext4_msg(inode->i_sb, KERN_EMERG,
@@ -157,8 +157,8 @@ static int ext4_end_io(ext4_io_end_t *io)
"(inode %lu, offset %llu, size %zd, error %d)",
inode->i_ino, offset, size, ret);
}
- ext4_clear_io_unwritten_flag(io);
- ext4_release_io_end(io);
+ ext4_clear_io_unwritten_flag(io_end);
+ ext4_release_io_end(io_end);
return ret;
}
@@ -166,21 +166,21 @@ static void dump_completed_IO(struct inode *inode, struct list_head *head)
{
#ifdef EXT4FS_DEBUG
struct list_head *cur, *before, *after;
- ext4_io_end_t *io, *io0, *io1;
+ ext4_io_end_t *io_end, *io_end0, *io_end1;
if (list_empty(head))
return;
ext4_debug("Dump inode %lu completed io list\n", inode->i_ino);
- list_for_each_entry(io, head, list) {
- cur = &io->list;
+ list_for_each_entry(io_end, head, list) {
+ cur = &io_end->list;
before = cur->prev;
- io0 = container_of(before, ext4_io_end_t, list);
+ io_end0 = container_of(before, ext4_io_end_t, list);
after = cur->next;
- io1 = container_of(after, ext4_io_end_t, list);
+ io_end1 = container_of(after, ext4_io_end_t, list);
ext4_debug("io 0x%p from inode %lu,prev 0x%p,next 0x%p\n",
- io, inode->i_ino, io0, io1);
+ io_end, inode->i_ino, io_end0, io_end1);
}
#endif
}
@@ -207,7 +207,7 @@ static void ext4_add_complete_io(ext4_io_end_t *io_end)
static int ext4_do_flush_completed_IO(struct inode *inode,
struct list_head *head)
{
- ext4_io_end_t *io;
+ ext4_io_end_t *io_end;
struct list_head unwritten;
unsigned long flags;
struct ext4_inode_info *ei = EXT4_I(inode);
@@ -219,11 +219,11 @@ static int ext4_do_flush_completed_IO(struct inode *inode,
spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
while (!list_empty(&unwritten)) {
- io = list_entry(unwritten.next, ext4_io_end_t, list);
- BUG_ON(!(io->flag & EXT4_IO_END_UNWRITTEN));
- list_del_init(&io->list);
+ io_end = list_entry(unwritten.next, ext4_io_end_t, list);
+ BUG_ON(!(io_end->flag & EXT4_IO_END_UNWRITTEN));
+ list_del_init(&io_end->list);
- err = ext4_end_io(io);
+ err = ext4_end_io_end(io_end);
if (unlikely(!ret && err))
ret = err;
}
@@ -242,13 +242,14 @@ void ext4_end_io_rsv_work(struct work_struct *work)
ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags)
{
- ext4_io_end_t *io = kmem_cache_zalloc(io_end_cachep, flags);
- if (io) {
- io->inode = inode;
- INIT_LIST_HEAD(&io->list);
- atomic_set(&io->count, 1);
+ ext4_io_end_t *io_end = kmem_cache_zalloc(io_end_cachep, flags);
+
+ if (io_end) {
+ io_end->inode = inode;
+ INIT_LIST_HEAD(&io_end->list);
+ atomic_set(&io_end->count, 1);
}
- return io;
+ return io_end;
}
void ext4_put_io_end_defer(ext4_io_end_t *io_end)