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ceph: change variable name to follow common rule 

Variable name ci is mostly used for ceph_inode_info.
Variable name fi is mostly used for ceph_file_info.
Variable name cf is mostly used for ceph_cap_flush.

Change variable name to follow above common rules
in case of confusing.

Signed-off-by: Chengguang Xu <cgxu519@icloud.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Chengguang Xu 2018-02-28 19:43:47 +08:00 committed by Ilya Dryomov
parent 79cd674aed
commit 73737682e0
3 changed files with 30 additions and 30 deletions
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4
fs/ceph/addr.c
View File

@ -439,7 +439,7 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
{
struct inode *inode = file_inode(file);
struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
struct ceph_file_info *ci = file->private_data;
struct ceph_file_info *fi = file->private_data;
struct ceph_rw_context *rw_ctx;
int rc = 0;
int max = 0;
@ -453,7 +453,7 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
if (rc == 0)
goto out;
rw_ctx = ceph_find_rw_context(ci);
rw_ctx = ceph_find_rw_context(fi);
max = fsc->mount_options->rsize >> PAGE_SHIFT;
dout("readpages %p file %p ctx %p nr_pages %d max %d\n",
inode, file, rw_ctx, nr_pages, max);

18
fs/ceph/dir.c
View File

@ -1352,7 +1352,7 @@ static void ceph_d_prune(struct dentry *dentry)
static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size,
loff_t *ppos)
{
struct ceph_file_info *cf = file->private_data;
struct ceph_file_info *fi = file->private_data;
struct inode *inode = file_inode(file);
struct ceph_inode_info *ci = ceph_inode(inode);
int left;
@ -1361,12 +1361,12 @@ static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size,
if (!ceph_test_mount_opt(ceph_sb_to_client(inode->i_sb), DIRSTAT))
return -EISDIR;
if (!cf->dir_info) {
cf->dir_info = kmalloc(bufsize, GFP_KERNEL);
if (!cf->dir_info)
if (!fi->dir_info) {
fi->dir_info = kmalloc(bufsize, GFP_KERNEL);
if (!fi->dir_info)
return -ENOMEM;
cf->dir_info_len =
snprintf(cf->dir_info, bufsize,
fi->dir_info_len =
snprintf(fi->dir_info, bufsize,
"entries: %20lld\n"
" files: %20lld\n"
" subdirs: %20lld\n"
@ -1386,10 +1386,10 @@ static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size,
(long)ci->i_rctime.tv_nsec);
}
if (*ppos >= cf->dir_info_len)
if (*ppos >= fi->dir_info_len)
return 0;
size = min_t(unsigned, size, cf->dir_info_len-*ppos);
left = copy_to_user(buf, cf->dir_info + *ppos, size);
size = min_t(unsigned, size, fi->dir_info_len-*ppos);
left = copy_to_user(buf, fi->dir_info + *ppos, size);
if (left == size)
return -EFAULT;
*ppos += (size - left);

38
fs/ceph/file.c
View File

@ -165,7 +165,7 @@ prepare_open_request(struct super_block *sb, int flags, int create_mode)
*/
static int ceph_init_file(struct inode *inode, struct file *file, int fmode)
{
struct ceph_file_info *cf;
struct ceph_file_info *fi;
int ret = 0;
switch (inode->i_mode & S_IFMT) {
@ -175,19 +175,19 @@ static int ceph_init_file(struct inode *inode, struct file *file, int fmode)
case S_IFDIR:
dout("init_file %p %p 0%o (regular)\n", inode, file,
inode->i_mode);
cf = kmem_cache_zalloc(ceph_file_cachep, GFP_KERNEL);
if (!cf) {
fi = kmem_cache_zalloc(ceph_file_cachep, GFP_KERNEL);
if (!fi) {
ceph_put_fmode(ceph_inode(inode), fmode); /* clean up */
return -ENOMEM;
}
cf->fmode = fmode;
fi->fmode = fmode;
spin_lock_init(&cf->rw_contexts_lock);
INIT_LIST_HEAD(&cf->rw_contexts);
spin_lock_init(&fi->rw_contexts_lock);
INIT_LIST_HEAD(&fi->rw_contexts);
cf->next_offset = 2;
cf->readdir_cache_idx = -1;
file->private_data = cf;
fi->next_offset = 2;
fi->readdir_cache_idx = -1;
file->private_data = fi;
BUG_ON(inode->i_fop->release != ceph_release);
break;
@ -278,11 +278,11 @@ int ceph_open(struct inode *inode, struct file *file)
struct ceph_fs_client *fsc = ceph_sb_to_client(inode->i_sb);
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_mds_request *req;
struct ceph_file_info *cf = file->private_data;
struct ceph_file_info *fi = file->private_data;
int err;
int flags, fmode, wanted;
if (cf) {
if (fi) {
dout("open file %p is already opened\n", file);
return 0;
}
@ -460,16 +460,16 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
int ceph_release(struct inode *inode, struct file *file)
{
struct ceph_inode_info *ci = ceph_inode(inode);
struct ceph_file_info *cf = file->private_data;
struct ceph_file_info *fi = file->private_data;
dout("release inode %p file %p\n", inode, file);
ceph_put_fmode(ci, cf->fmode);
if (cf->last_readdir)
ceph_mdsc_put_request(cf->last_readdir);
kfree(cf->last_name);
kfree(cf->dir_info);
WARN_ON(!list_empty(&cf->rw_contexts));
kmem_cache_free(ceph_file_cachep, cf);
ceph_put_fmode(ci, fi->fmode);
if (fi->last_readdir)
ceph_mdsc_put_request(fi->last_readdir);
kfree(fi->last_name);
kfree(fi->dir_info);
WARN_ON(!list_empty(&fi->rw_contexts));
kmem_cache_free(ceph_file_cachep, fi);
/* wake up anyone waiting for caps on this inode */
wake_up_all(&ci->i_cap_wq);