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[CIFS] clean up some hard to read ifdefs 

Christoph had noticed too many ifdefs in the CIFS code making it
hard to read.  This patch removes about a quarter of them from
the C files in cifs by improving a few key ifdefs in the .h files.

Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2008-02-12 20:32:36 +00:00
parent ad7a2926b9
commit 90c81e0b0e
13 changed files with 51 additions and 84 deletions
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14
fs/cifs/cifs_debug.c
View File

@ -438,7 +438,7 @@ cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
return length;
}
#endif
#endif /* STATS */
static struct proc_dir_entry *proc_fs_cifs;
read_proc_t cifs_txanchor_read;
@ -481,7 +481,7 @@ cifs_proc_init(void)
cifs_stats_read, NULL);
if (pde)
pde->write_proc = cifs_stats_write;
#endif
#endif /* STATS */
pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs,
cifsFYI_read, NULL);
if (pde)
@ -917,4 +917,12 @@ security_flags_write(struct file *file, const char __user *buffer,
/* BB should we turn on MAY flags for other MUST options? */
return count;
}
#endif
#else
static inline void cifs_proc_init(void)
{
}
static inline void cifs_proc_clean(void)
{
}
#endif /* PROC_FS */

3
fs/cifs/cifs_debug.h
View File

@ -25,8 +25,11 @@
void cifs_dump_mem(char *label, void *data, int length);
#ifdef CONFIG_CIFS_DEBUG2
#define DBG2 2
void cifs_dump_detail(struct smb_hdr *);
void cifs_dump_mids(struct TCP_Server_Info *);
#else
#define DBG2 0
#endif
extern int traceSMB; /* flag which enables the function below */
void dump_smb(struct smb_hdr *, int);

44
fs/cifs/cifsacl.c
View File

@ -215,9 +215,7 @@ static void access_flags_to_mode(__le32 ace_flags, int type, umode_t *pmode,
if (flags & GENERIC_ALL) {
*pmode |= (S_IRWXUGO & (*pbits_to_set));
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("all perms"));
#endif
cFYI(DBG2, ("all perms"));
return;
}
if ((flags & GENERIC_WRITE) ||
@ -230,9 +228,7 @@ static void access_flags_to_mode(__le32 ace_flags, int type, umode_t *pmode,
((flags & FILE_EXEC_RIGHTS) == FILE_EXEC_RIGHTS))
*pmode |= (S_IXUGO & (*pbits_to_set));
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("access flags 0x%x mode now 0x%x", flags, *pmode));
#endif
cFYI(DBG2, ("access flags 0x%x mode now 0x%x", flags, *pmode));
return;
}
@ -261,9 +257,7 @@ static void mode_to_access_flags(umode_t mode, umode_t bits_to_use,
if (mode & S_IXUGO)
*pace_flags |= SET_FILE_EXEC_RIGHTS;
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("mode: 0x%x, access flags now 0x%x", mode, *pace_flags));
#endif
cFYI(DBG2, ("mode: 0x%x, access flags now 0x%x", mode, *pace_flags));
return;
}
@ -357,11 +351,9 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
return;
}
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("DACL revision %d size %d num aces %d",
cFYI(DBG2, ("DACL revision %d size %d num aces %d",
le16_to_cpu(pdacl->revision), le16_to_cpu(pdacl->size),
le32_to_cpu(pdacl->num_aces)));
#endif
/* reset rwx permissions for user/group/other.
Also, if num_aces is 0 i.e. DACL has no ACEs,
@ -494,13 +486,11 @@ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len,
le32_to_cpu(pntsd->gsidoffset));
dacloffset = le32_to_cpu(pntsd->dacloffset);
dacl_ptr = (struct cifs_acl *)((char *)pntsd + dacloffset);
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("revision %d type 0x%x ooffset 0x%x goffset 0x%x "
cFYI(DBG2, ("revision %d type 0x%x ooffset 0x%x goffset 0x%x "
"sacloffset 0x%x dacloffset 0x%x",
pntsd->revision, pntsd->type, le32_to_cpu(pntsd->osidoffset),
le32_to_cpu(pntsd->gsidoffset),
le32_to_cpu(pntsd->sacloffset), dacloffset));
#endif
/* cifs_dump_mem("owner_sid: ", owner_sid_ptr, 64); */
rc = parse_sid(owner_sid_ptr, end_of_acl);
if (rc)
@ -635,9 +625,7 @@ static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct super_block *sb;
struct cifs_sb_info *cifs_sb;
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
#endif
cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
if (!inode)
return (rc);
@ -668,9 +656,7 @@ static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
}
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("SetCIFSACL rc = %d", rc));
#endif
cFYI(DBG2, ("SetCIFSACL rc = %d", rc));
if (unlock_file == TRUE)
atomic_dec(&open_file->wrtPending);
else
@ -688,9 +674,7 @@ void acl_to_uid_mode(struct inode *inode, const char *path)
u32 acllen = 0;
int rc = 0;
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("converting ACL to mode for %s", path));
#endif
cFYI(DBG2, ("converting ACL to mode for %s", path));
pntsd = get_cifs_acl(&acllen, inode, path);
/* if we can retrieve the ACL, now parse Access Control Entries, ACEs */
@ -711,9 +695,7 @@ int mode_to_acl(struct inode *inode, const char *path, __u64 nmode)
struct cifs_ntsd *pntsd = NULL; /* acl obtained from server */
struct cifs_ntsd *pnntsd = NULL; /* modified acl to be sent to server */
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("set ACL from mode for %s", path));
#endif
cFYI(DBG2, ("set ACL from mode for %s", path));
/* Get the security descriptor */
pntsd = get_cifs_acl(&acllen, inode, path);
@ -735,16 +717,12 @@ int mode_to_acl(struct inode *inode, const char *path, __u64 nmode)
rc = build_sec_desc(pntsd, pnntsd, acllen, inode, nmode);
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("build_sec_desc rc: %d", rc));
#endif
cFYI(DBG2, ("build_sec_desc rc: %d", rc));
if (!rc) {
/* Set the security descriptor */
rc = set_cifs_acl(pnntsd, acllen, inode, path);
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("set_cifs_acl rc: %d", rc));
#endif
cFYI(DBG2, ("set_cifs_acl rc: %d", rc));
}
kfree(pnntsd);

10
fs/cifs/cifsfs.c
View File

@ -470,9 +470,7 @@ static void cifs_umount_begin(struct vfsmount *vfsmnt, int flags)
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *tcon;
#ifdef CONFIG_CIFS_DFS_UPCALL
dfs_shrink_umount_helper(vfsmnt);
#endif /* CONFIG CIFS_DFS_UPCALL */
if (!(flags & MNT_FORCE))
return;
@ -991,9 +989,7 @@ static int __init
init_cifs(void)
{
int rc = 0;
#ifdef CONFIG_PROC_FS
cifs_proc_init();
#endif
/* INIT_LIST_HEAD(&GlobalServerList);*/ /* BB not implemented yet */
INIT_LIST_HEAD(&GlobalSMBSessionList);
INIT_LIST_HEAD(&GlobalTreeConnectionList);
@ -1094,19 +1090,15 @@ init_cifs(void)
out_destroy_inodecache:
cifs_destroy_inodecache();
out_clean_proc:
#ifdef CONFIG_PROC_FS
cifs_proc_clean();
#endif
return rc;
}
static void __exit
exit_cifs(void)
{
cFYI(0, ("exit_cifs"));
#ifdef CONFIG_PROC_FS
cFYI(DBG2, ("exit_cifs"));
cifs_proc_clean();
#endif
#ifdef CONFIG_CIFS_DFS_UPCALL
unregister_key_type(&key_type_dns_resolver);
#endif

8
fs/cifs/cifsproto.h
View File

@ -102,9 +102,13 @@ extern int mode_to_acl(struct inode *inode, const char *path, __u64);
extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
const char *);
extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
#ifdef CONFIG_CIFS_DFS_UPCALL
#ifdef CONFIG_CIFS_DFS
extern void dfs_shrink_umount_helper(struct vfsmount *vfsmnt);
#endif
#else
static inline void dfs_shrink_umount_helper(struct vfsmount *vfsmnt)
{
}
#endif /* DFS_UPCALL */
void cifs_proc_init(void);
void cifs_proc_clean(void);

6
fs/cifs/cifssmb.c
View File

@ -602,7 +602,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
server->maxBuf = min(le32_to_cpu(pSMBr->MaxBufferSize),
(__u32) CIFSMaxBufSize + MAX_CIFS_HDR_SIZE);
server->maxRw = le32_to_cpu(pSMBr->MaxRawSize);
cFYI(0, ("Max buf = %d", ses->server->maxBuf));
cFYI(DBG2, ("Max buf = %d", ses->server->maxBuf));
GETU32(ses->server->sessid) = le32_to_cpu(pSMBr->SessionKey);
server->capabilities = le32_to_cpu(pSMBr->Capabilities);
server->timeAdj = (int)(__s16)le16_to_cpu(pSMBr->ServerTimeZone);
@ -1108,9 +1108,7 @@ PsxCreat:
/* check to make sure response data is there */
if (psx_rsp->ReturnedLevel != cpu_to_le16(SMB_QUERY_FILE_UNIX_BASIC)) {
pRetData->Type = cpu_to_le32(-1); /* unknown */
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("unknown type"));
#endif
cFYI(DBG2, ("unknown type"));
} else {
if (pSMBr->ByteCount < sizeof(OPEN_PSX_RSP)
+ sizeof(FILE_UNIX_BASIC_INFO)) {

10
fs/cifs/connect.c
View File

@ -1753,9 +1753,8 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
if (sb && (CIFS_SB(sb)->rsize > 127 * 1024)) {
if ((cap & CIFS_UNIX_LARGE_READ_CAP) == 0) {
CIFS_SB(sb)->rsize = 127 * 1024;
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("larger reads not supported by srv"));
#endif
cFYI(DBG2,
("larger reads not supported by srv"));
}
}
@ -2227,9 +2226,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
if ((tcon->unix_ext == 0) && (cifs_sb->rsize > (1024 * 127))) {
cifs_sb->rsize = 1024 * 127;
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("no very large read support, rsize now 127K"));
#endif
cFYI(DBG2,
("no very large read support, rsize now 127K"));
}
if (!(tcon->ses->capabilities & CAP_LARGE_WRITE_X))
cifs_sb->wsize = min(cifs_sb->wsize,

13
fs/cifs/file.c
View File

@ -499,9 +499,8 @@ int cifs_close(struct inode *inode, struct file *file)
the struct would be in each open file,
but this should give enough time to
clear the socket */
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("close delay, write pending"));
#endif /* DEBUG2 */
cFYI(DBG2,
("close delay, write pending"));
msleep(timeout);
timeout *= 4;
}
@ -1812,9 +1811,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
pTcon = cifs_sb->tcon;
pagevec_init(&lru_pvec, 0);
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("rpages: num pages %d", num_pages));
#endif
cFYI(DBG2, ("rpages: num pages %d", num_pages));
for (i = 0; i < num_pages; ) {
unsigned contig_pages;
struct page *tmp_page;
@ -1847,10 +1844,8 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
/* Read size needs to be in multiples of one page */
read_size = min_t(const unsigned int, read_size,
cifs_sb->rsize & PAGE_CACHE_MASK);
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("rpages: read size 0x%x contiguous pages %d",
cFYI(DBG2, ("rpages: read size 0x%x contiguous pages %d",
read_size, contig_pages));
#endif
rc = -EAGAIN;
while (rc == -EAGAIN) {
if ((open_file->invalidHandle) &&

4
fs/cifs/inode.c
View File

@ -837,9 +837,7 @@ static void posix_fill_in_inode(struct inode *tmp_inode,
cFYI(1, ("unknown inode type %d", type));
}
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("object type: %d", type));
#endif
cFYI(DBG2, ("object type: %d", type));
tmp_inode->i_uid = le64_to_cpu(pData->Uid);
tmp_inode->i_gid = le64_to_cpu(pData->Gid);
tmp_inode->i_nlink = le64_to_cpu(pData->Nlinks);

8
fs/cifs/netmisc.c
View File

@ -150,9 +150,7 @@ static int canonicalize_unc(char *cp)
if (cp[i] == '\\')
break;
if (cp[i] == '/') {
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("change slash to backslash in malformed UNC"));
#endif
cFYI(DBG2, ("change slash to \\ in malformed UNC"));
cp[i] = '\\';
return 1;
}
@ -178,9 +176,7 @@ cifs_inet_pton(int address_family, char *cp, void *dst)
} else if (address_family == AF_INET6) {
ret = in6_pton(cp, -1 /* len */, dst , '\\', NULL);
}
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("address conversion returned %d for %s", ret, cp));
#endif
cFYI(DBG2, ("address conversion returned %d for %s", ret, cp));
if (ret > 0)
ret = 1;
return ret;

6
fs/cifs/readdir.c
View File

@ -50,6 +50,10 @@ static void dump_cifs_file_struct(struct file *file, char *label)
cFYI(1, ("empty dir"));
}
}
#else
static inline void dump_cifs_file_struct(struct file *file, char *label)
{
}
#endif /* DEBUG2 */
/* Returns one if new inode created (which therefore needs to be hashed) */
@ -660,9 +664,7 @@ static int find_cifs_entry(const int xid, struct cifsTconInfo *pTcon,
. and .. for the root of a drive and for those we need
to start two entries earlier */
#ifdef CONFIG_CIFS_DEBUG2
dump_cifs_file_struct(file, "In fce ");
#endif
if (((index_to_find < cifsFile->srch_inf.index_of_last_entry) &&
is_dir_changed(file)) ||
(index_to_find < first_entry_in_buffer)) {

4
fs/cifs/sess.c
View File

@ -417,10 +417,6 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time,
calc_lanman_hash(ses, lnm_session_key);
ses->flags |= CIFS_SES_LANMAN;
/* #ifdef CONFIG_CIFS_DEBUG2
cifs_dump_mem("cryptkey: ",ses->server->cryptKey,
CIFS_SESS_KEY_SIZE);
#endif */
memcpy(bcc_ptr, (char *)lnm_session_key, CIFS_SESS_KEY_SIZE);
bcc_ptr += CIFS_SESS_KEY_SIZE;

5
fs/cifs/transport.c
View File

@ -437,9 +437,8 @@ SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
iov[0].iov_len = in_buf->smb_buf_length + 4;
flags |= CIFS_NO_RESP;
rc = SendReceive2(xid, ses, iov, 1, &resp_buf_type, flags);
#ifdef CONFIG_CIFS_DEBUG2
cFYI(1, ("SendRcvNoR flags %d rc %d", flags, rc));
#endif
cFYI(DBG2, ("SendRcvNoRsp flags %d rc %d", flags, rc));
return rc;
}