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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>
This commit is contained in:
Pratik Shinde 2019-08-30 15:26:15 +05:30 committed by Greg Kroah-Hartman
parent 3b531807e6
commit 512f9922ee
1 changed files with 12 additions and 6 deletions
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18
fs/erofs/inode.c
View File

@ -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;
}