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Code

[CIFS] factoring out common code in get_inode_info functions

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Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Christoph Hellwig 2008-02-15 20:55:05 +00:00 committed by Steve French
parent c2d68ea65b
commit 70eff55d2d
1 changed files with 42 additions and 62 deletions
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104
fs/cifs/inode.c
View File

@ -29,6 +29,46 @@
#include "cifs_debug.h"
#include "cifs_fs_sb.h"
static void cifs_set_ops(struct inode *inode)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
switch (inode->i_mode & S_IFMT) {
case S_IFREG:
inode->i_op = &cifs_file_inode_ops;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
inode->i_fop = &cifs_file_direct_nobrl_ops;
else
inode->i_fop = &cifs_file_direct_ops;
} else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
inode->i_fop = &cifs_file_nobrl_ops;
else { /* not direct, send byte range locks */
inode->i_fop = &cifs_file_ops;
}
/* check if server can support readpages */
if (cifs_sb->tcon->ses->server->maxBuf <
PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
else
inode->i_data.a_ops = &cifs_addr_ops;
break;
case S_IFDIR:
inode->i_op = &cifs_dir_inode_ops;
inode->i_fop = &cifs_dir_ops;
break;
case S_IFLNK:
inode->i_op = &cifs_symlink_inode_ops;
break;
default:
init_special_inode(inode, inode->i_mode, inode->i_rdev);
break;
}
}
int cifs_get_inode_info_unix(struct inode **pinode,
const unsigned char *search_path, struct super_block *sb, int xid)
{
@ -178,39 +218,8 @@ int cifs_get_inode_info_unix(struct inode **pinode,
cFYI(1, ("Size %ld and blocks %llu",
(unsigned long) inode->i_size,
(unsigned long long)inode->i_blocks));
if (S_ISREG(inode->i_mode)) {
cFYI(1, ("File inode"));
inode->i_op = &cifs_file_inode_ops;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
inode->i_fop =
&cifs_file_direct_nobrl_ops;
else
inode->i_fop = &cifs_file_direct_ops;
} else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
inode->i_fop = &cifs_file_nobrl_ops;
else /* not direct, send byte range locks */
inode->i_fop = &cifs_file_ops;
/* check if server can support readpages */
if (pTcon->ses->server->maxBuf <
PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
else
inode->i_data.a_ops = &cifs_addr_ops;
} else if (S_ISDIR(inode->i_mode)) {
cFYI(1, ("Directory inode"));
inode->i_op = &cifs_dir_inode_ops;
inode->i_fop = &cifs_dir_ops;
} else if (S_ISLNK(inode->i_mode)) {
cFYI(1, ("Symbolic Link inode"));
inode->i_op = &cifs_symlink_inode_ops;
/* tmp_inode->i_fop = */ /* do not need to set to anything */
} else {
cFYI(1, ("Init special inode"));
init_special_inode(inode, inode->i_mode,
inode->i_rdev);
}
cifs_set_ops(inode);
}
return rc;
}
@ -546,36 +555,7 @@ int cifs_get_inode_info(struct inode **pinode,
atomic_set(&cifsInfo->inUse, 1);
}
if (S_ISREG(inode->i_mode)) {
cFYI(1, ("File inode"));
inode->i_op = &cifs_file_inode_ops;
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
inode->i_fop =
&cifs_file_direct_nobrl_ops;
else
inode->i_fop = &cifs_file_direct_ops;
} else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
inode->i_fop = &cifs_file_nobrl_ops;
else /* not direct, send byte range locks */
inode->i_fop = &cifs_file_ops;
if (pTcon->ses->server->maxBuf <
PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
else
inode->i_data.a_ops = &cifs_addr_ops;
} else if (S_ISDIR(inode->i_mode)) {
cFYI(1, ("Directory inode"));
inode->i_op = &cifs_dir_inode_ops;
inode->i_fop = &cifs_dir_ops;
} else if (S_ISLNK(inode->i_mode)) {
cFYI(1, ("Symbolic Link inode"));
inode->i_op = &cifs_symlink_inode_ops;
} else {
init_special_inode(inode, inode->i_mode,
inode->i_rdev);
}
cifs_set_ops(inode);
}
kfree(buf);
return rc;