AcoSail/kernel_optimize_test
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sysv: switch to simple_follow_link()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-05-02 10:37:09 -04:00
parent 0f301bd305
commit 2e03f3ea7a
4 changed files with 4 additions and 24 deletions
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2
fs/sysv/Makefile
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@ -5,4 +5,4 @@
obj-$(CONFIG_SYSV_FS) += sysv.o
sysv-objs := ialloc.o balloc.o inode.o itree.o file.o dir.o \
namei.o super.o symlink.o
namei.o super.o

5
fs/sysv/inode.c
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@ -166,8 +166,9 @@ void sysv_set_inode(struct inode *inode, dev_t rdev)
inode->i_op = &sysv_symlink_inode_operations;
inode->i_mapping->a_ops = &sysv_aops;
} else {
inode->i_op = &sysv_fast_symlink_inode_operations;
nd_terminate_link(SYSV_I(inode)->i_data, inode->i_size,
inode->i_op = &simple_symlink_inode_operations;
inode->i_link = (char *)SYSV_I(inode)->i_data;
nd_terminate_link(inode->i_link, inode->i_size,
sizeof(SYSV_I(inode)->i_data) - 1);
}
} else

20
fs/sysv/symlink.c
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@ -1,20 +0,0 @@
/*
* linux/fs/sysv/symlink.c
*
* Handling of System V filesystem fast symlinks extensions.
* Aug 2001, Christoph Hellwig (hch@infradead.org)
*/
#include "sysv.h"
#include <linux/namei.h>
static void *sysv_follow_link(struct dentry *dentry, struct nameidata *nd)
{
nd_set_link(nd, (char *)SYSV_I(d_inode(dentry))->i_data);
return NULL;
}
const struct inode_operations sysv_fast_symlink_inode_operations = {
.readlink = generic_readlink,
.follow_link = sysv_follow_link,
};

1
fs/sysv/sysv.h
View File

@ -161,7 +161,6 @@ extern ino_t sysv_inode_by_name(struct dentry *);
extern const struct inode_operations sysv_file_inode_operations;
extern const struct inode_operations sysv_dir_inode_operations;
extern const struct inode_operations sysv_fast_symlink_inode_operations;
extern const struct file_operations sysv_file_operations;
extern const struct file_operations sysv_dir_operations;
extern const struct address_space_operations sysv_aops;