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authorPratik Shinde <pratikshinde320@gmail.com>2019-08-30 12:56:15 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-04 09:31:54 +0300
commit512f9922eeb1e5b0b1e099fd56829e1dad993437 (patch)
treec02079f727c82463fd2c92a07425364799fb7f54 /fs
parent3b531807e605bfa8290531a63886d1972809e310 (diff)
downloadlinux-512f9922eeb1e5b0b1e099fd56829e1dad993437.tar.xz
erofs: using switch-case while checking the inode type.
while filling the linux inode, using switch-case statement to check the type of inode. switch-case statement looks more clean here. Signed-off-by: Pratik Shinde <pratikshinde320@gmail.com> Reviewed-by: Gao Xiang <gaoxiang25@huawei.com> Link: https://lore.kernel.org/r/20190830095615.10995-1-pratikshinde320@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/erofs/inode.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
index e7c190cf101a..8a0574530a0a 100644
--- a/fs/erofs/inode.c
+++ b/fs/erofs/inode.c
@@ -190,22 +190,28 @@ static int fill_inode(struct inode *inode, int isdir)
err = read_inode(inode, data + ofs);
if (!err) {
/* setup the new inode */
- if (S_ISREG(inode->i_mode)) {
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFREG:
inode->i_op = &erofs_generic_iops;
inode->i_fop = &generic_ro_fops;
- } else if (S_ISDIR(inode->i_mode)) {
+ break;
+ case S_IFDIR:
inode->i_op = &erofs_dir_iops;
inode->i_fop = &erofs_dir_fops;
- } else if (S_ISLNK(inode->i_mode)) {
+ break;
+ case S_IFLNK:
/* by default, page_get_link is used for symlink */
inode->i_op = &erofs_symlink_iops;
inode_nohighmem(inode);
- } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
- S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
+ break;
+ case S_IFCHR:
+ case S_IFBLK:
+ case S_IFIFO:
+ case S_IFSOCK:
inode->i_op = &erofs_generic_iops;
init_special_inode(inode, inode->i_mode, inode->i_rdev);
goto out_unlock;
- } else {
+ default:
err = -EFSCORRUPTED;
goto out_unlock;
}