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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

Browse Source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (39 commits)
  ceph: generalize mon requests, add pool op support
  ceph: only queue async writeback on cap revocation if there is dirty data
  ceph: do not ignore osd_idle_ttl mount option
  ceph: constify dentry_operations
  ceph: whitespace cleanup
  ceph: add flock/fcntl lock support
  ceph: define on-wire types, constants for file locking support
  ceph: add CEPH_FEATURE_FLOCK to the supported feature bits
  ceph: support v2 reconnect encoding
  ceph: support v2 client_caps encoding
  ceph: move AES iv definition to shared header
  ceph: fix decoding of pool snap info
  ceph: make ->sync_fs not wait if wait==0
  ceph: warn on missing snap realm
  ceph: print useful error message when crush rule not found
  ceph: use %pU to print uuid (fsid)
  ceph: sync header defs with server code
  ceph: clean up header guards
  ceph: strip misleading/obsolete version, feature info
  ceph: specify supported features in super.h
  ...
This commit is contained in:
Linus Torvalds
2010-08-11 09:18:32 -07:00
parent 84479f3c17 e56fa10e92
commit 682c30ed21
39 changed files with 1168 additions and 416 deletions
Download Patch File Download Diff File Expand all files Collapse all files
fs/ceph/Makefile
+1 -1
View File
@@ -6,7 +6,7 @@ ifneq ($(KERNELRELEASE),)
obj-$(CONFIG_CEPH_FS) += ceph.o
ceph-objs := super.o inode.o dir.o file.o addr.o ioctl.o \
ceph-objs := super.o inode.o dir.o file.o locks.o addr.o ioctl.o \
export.o caps.o snap.o xattr.o \
messenger.o msgpool.o buffer.o pagelist.o \
mds_client.o mdsmap.o \
fs/ceph/addr.c
+10 -6
View File
@@ -309,7 +309,8 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
zero_user_segment(page, s, PAGE_CACHE_SIZE);
}
if (add_to_page_cache_lru(page, mapping, page->index, GFP_NOFS)) {
if (add_to_page_cache_lru(page, mapping, page->index,
GFP_NOFS)) {
page_cache_release(page);
dout("readpages %p add_to_page_cache failed %p\n",
inode, page);
@@ -552,7 +553,7 @@ static void writepages_finish(struct ceph_osd_request *req,
* page truncation thread, possibly losing some data that
* raced its way in
*/
if ((issued & CEPH_CAP_FILE_CACHE) == 0)
if ((issued & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) == 0)
generic_error_remove_page(inode->i_mapping, page);
unlock_page(page);
@@ -797,9 +798,12 @@ get_more_pages:
dout("%p will write page %p idx %lu\n",
inode, page, page->index);
writeback_stat = atomic_long_inc_return(&client->writeback_count);
if (writeback_stat > CONGESTION_ON_THRESH(client->mount_args->congestion_kb)) {
set_bdi_congested(&client->backing_dev_info, BLK_RW_ASYNC);
writeback_stat =
atomic_long_inc_return(&client->writeback_count);
if (writeback_stat > CONGESTION_ON_THRESH(
client->mount_args->congestion_kb)) {
set_bdi_congested(&client->backing_dev_info,
BLK_RW_ASYNC);
}
set_page_writeback(page);
@@ -1036,7 +1040,7 @@ static int ceph_write_begin(struct file *file, struct address_space *mapping,
*pagep = page;
dout("write_begin file %p inode %p page %p %d~%d\n", file,
inode, page, (int)pos, (int)len);
inode, page, (int)pos, (int)len);
r = ceph_update_writeable_page(file, pos, len, page);
} while (r == -EAGAIN);
fs/ceph/armor.c
+5 -1
View File
@@ -1,11 +1,15 @@
#include <linux/errno.h>
int ceph_armor(char *dst, const char *src, const char *end);
int ceph_unarmor(char *dst, const char *src, const char *end);
/*
* base64 encode/decode.
*/
const char *pem_key = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static const char *pem_key =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static int encode_bits(int c)
{
fs/ceph/auth.c
+3 -3
View File
@@ -20,7 +20,7 @@ static u32 supported_protocols[] = {
CEPH_AUTH_CEPHX
};
int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)
static int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)
{
switch (protocol) {
case CEPH_AUTH_NONE:
@@ -133,8 +133,8 @@ bad:
return -ERANGE;
}
int ceph_build_auth_request(struct ceph_auth_client *ac,
void *msg_buf, size_t msg_len)
static int ceph_build_auth_request(struct ceph_auth_client *ac,
void *msg_buf, size_t msg_len)
{
struct ceph_mon_request_header *monhdr = msg_buf;
void *p = monhdr + 1;
fs/ceph/auth_x.c
+3 -3
View File
@@ -87,8 +87,8 @@ static int ceph_x_decrypt(struct ceph_crypto_key *secret,
/*
* get existing (or insert new) ticket handler
*/
struct ceph_x_ticket_handler *get_ticket_handler(struct ceph_auth_client *ac,
int service)
static struct ceph_x_ticket_handler *
get_ticket_handler(struct ceph_auth_client *ac, int service)
{
struct ceph_x_ticket_handler *th;
struct ceph_x_info *xi = ac->private;
@@ -429,7 +429,7 @@ static int ceph_x_build_request(struct ceph_auth_client *ac,
auth->struct_v = 1;
auth->key = 0;
for (u = (u64 *)tmp_enc; u + 1 <= (u64 *)(tmp_enc + ret); u++)
auth->key ^= *u;
auth->key ^= *(__le64 *)u;
dout(" server_challenge %llx client_challenge %llx key %llx\n",
xi->server_challenge, le64_to_cpu(auth->client_challenge),
le64_to_cpu(auth->key));
fs/ceph/buffer.c
-16
View File
@@ -47,22 +47,6 @@ void ceph_buffer_release(struct kref *kref)
kfree(b);
}
int ceph_buffer_alloc(struct ceph_buffer *b, int len, gfp_t gfp)
{
b->vec.iov_base = kmalloc(len, gfp | __GFP_NOWARN);
if (b->vec.iov_base) {
b->is_vmalloc = false;
} else {
b->vec.iov_base = __vmalloc(len, gfp, PAGE_KERNEL);
b->is_vmalloc = true;
}
if (!b->vec.iov_base)
return -ENOMEM;
b->alloc_len = len;
b->vec.iov_len = len;
return 0;
}
int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end)
{
size_t len;
fs/ceph/caps.c
+173 -130
View File
File diff suppressed because it is too large Load Diff
fs/ceph/ceph_frag.h
+2 -2
View File
@@ -1,5 +1,5 @@
#ifndef _FS_CEPH_FRAG_H
#define _FS_CEPH_FRAG_H
#ifndef FS_CEPH_FRAG_H
#define FS_CEPH_FRAG_H
/*
* "Frags" are a way to describe a subset of a 32-bit number space,
fs/ceph/ceph_fs.c
+25 -27
View File
@@ -29,46 +29,44 @@ int ceph_file_layout_is_valid(const struct ceph_file_layout *layout)
int ceph_flags_to_mode(int flags)
{
int mode;
#ifdef O_DIRECTORY /* fixme */
if ((flags & O_DIRECTORY) == O_DIRECTORY)
return CEPH_FILE_MODE_PIN;
#endif
#ifdef O_LAZY
if (flags & O_LAZY)
return CEPH_FILE_MODE_LAZY;
#endif
if ((flags & O_APPEND) == O_APPEND)
flags |= O_WRONLY;
flags &= O_ACCMODE;
if ((flags & O_RDWR) == O_RDWR)
return CEPH_FILE_MODE_RDWR;
if ((flags & O_WRONLY) == O_WRONLY)
return CEPH_FILE_MODE_WR;
return CEPH_FILE_MODE_RD;
if ((flags & O_ACCMODE) == O_RDWR)
mode = CEPH_FILE_MODE_RDWR;
else if ((flags & O_ACCMODE) == O_WRONLY)
mode = CEPH_FILE_MODE_WR;
else
mode = CEPH_FILE_MODE_RD;
#ifdef O_LAZY
if (flags & O_LAZY)
mode |= CEPH_FILE_MODE_LAZY;
#endif
return mode;
}
int ceph_caps_for_mode(int mode)
{
switch (mode) {
case CEPH_FILE_MODE_PIN:
return CEPH_CAP_PIN;
case CEPH_FILE_MODE_RD:
return CEPH_CAP_PIN | CEPH_CAP_FILE_SHARED |
int caps = CEPH_CAP_PIN;
if (mode & CEPH_FILE_MODE_RD)
caps |= CEPH_CAP_FILE_SHARED |
CEPH_CAP_FILE_RD | CEPH_CAP_FILE_CACHE;
case CEPH_FILE_MODE_RDWR:
return CEPH_CAP_PIN | CEPH_CAP_FILE_SHARED |
CEPH_CAP_FILE_EXCL |
CEPH_CAP_FILE_RD | CEPH_CAP_FILE_CACHE |
if (mode & CEPH_FILE_MODE_WR)
caps |= CEPH_CAP_FILE_EXCL |
CEPH_CAP_FILE_WR | CEPH_CAP_FILE_BUFFER |
CEPH_CAP_AUTH_SHARED | CEPH_CAP_AUTH_EXCL |
CEPH_CAP_XATTR_SHARED | CEPH_CAP_XATTR_EXCL;
case CEPH_FILE_MODE_WR:
return CEPH_CAP_PIN | CEPH_CAP_FILE_SHARED |
CEPH_CAP_FILE_EXCL |
CEPH_CAP_FILE_WR | CEPH_CAP_FILE_BUFFER |
CEPH_CAP_AUTH_SHARED | CEPH_CAP_AUTH_EXCL |
CEPH_CAP_XATTR_SHARED | CEPH_CAP_XATTR_EXCL;
}
return 0;
if (mode & CEPH_FILE_MODE_LAZY)
caps |= CEPH_CAP_FILE_LAZYIO;
return caps;
}
fs/ceph/ceph_fs.h
+55 -32
View File
@@ -9,26 +9,12 @@
* LGPL2
*/
#ifndef _FS_CEPH_CEPH_FS_H
#define _FS_CEPH_CEPH_FS_H
#ifndef CEPH_FS_H
#define CEPH_FS_H
#include "msgr.h"
#include "rados.h"
/*
* Ceph release version
*/
#define CEPH_VERSION_MAJOR 0
#define CEPH_VERSION_MINOR 20
#define CEPH_VERSION_PATCH 0
#define _CEPH_STRINGIFY(x) #x
#define CEPH_STRINGIFY(x) _CEPH_STRINGIFY(x)
#define CEPH_MAKE_VERSION(x, y, z) CEPH_STRINGIFY(x) "." CEPH_STRINGIFY(y) \
"." CEPH_STRINGIFY(z)
#define CEPH_VERSION CEPH_MAKE_VERSION(CEPH_VERSION_MAJOR, \
CEPH_VERSION_MINOR, CEPH_VERSION_PATCH)
/*
* subprotocol versions. when specific messages types or high-level
* protocols change, bump the affected components. we keep rev
@@ -53,18 +39,10 @@
/*
* feature bits
*/
#define CEPH_FEATURE_UID 1
#define CEPH_FEATURE_NOSRCADDR 2
#define CEPH_FEATURE_FLOCK 4
#define CEPH_FEATURE_SUPPORTED_MON CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR
#define CEPH_FEATURE_REQUIRED_MON CEPH_FEATURE_UID
#define CEPH_FEATURE_SUPPORTED_MDS CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR|CEPH_FEATURE_FLOCK
#define CEPH_FEATURE_REQUIRED_MDS CEPH_FEATURE_UID
#define CEPH_FEATURE_SUPPORTED_OSD CEPH_FEATURE_UID|CEPH_FEATURE_NOSRCADDR
#define CEPH_FEATURE_REQUIRED_OSD CEPH_FEATURE_UID
#define CEPH_FEATURE_SUPPORTED_CLIENT CEPH_FEATURE_NOSRCADDR
#define CEPH_FEATURE_REQUIRED_CLIENT CEPH_FEATURE_NOSRCADDR
#define CEPH_FEATURE_UID (1<<0)
#define CEPH_FEATURE_NOSRCADDR (1<<1)
#define CEPH_FEATURE_MONCLOCKCHECK (1<<2)
#define CEPH_FEATURE_FLOCK (1<<3)
/*
@@ -96,6 +74,8 @@ int ceph_file_layout_is_valid(const struct ceph_file_layout *layout);
#define CEPH_CRYPTO_NONE 0x0
#define CEPH_CRYPTO_AES 0x1
#define CEPH_AES_IV "cephsageyudagreg"
/* security/authentication protocols */
#define CEPH_AUTH_UNKNOWN 0x0
#define CEPH_AUTH_NONE 0x1
@@ -275,6 +255,7 @@ extern const char *ceph_mds_state_name(int s);
#define CEPH_LOCK_IDFT 512 /* dir frag tree */
#define CEPH_LOCK_INEST 1024 /* mds internal */
#define CEPH_LOCK_IXATTR 2048
#define CEPH_LOCK_IFLOCK 4096 /* advisory file locks */
#define CEPH_LOCK_INO 8192 /* immutable inode bits; not a lock */
/* client_session ops */
@@ -316,6 +297,8 @@ enum {
CEPH_MDS_OP_RMXATTR = 0x01106,
CEPH_MDS_OP_SETLAYOUT = 0x01107,
CEPH_MDS_OP_SETATTR = 0x01108,
CEPH_MDS_OP_SETFILELOCK= 0x01109,
CEPH_MDS_OP_GETFILELOCK= 0x00110,
CEPH_MDS_OP_MKNOD = 0x01201,
CEPH_MDS_OP_LINK = 0x01202,
@@ -386,6 +369,15 @@ union ceph_mds_request_args {
struct {
struct ceph_file_layout layout;
} __attribute__ ((packed)) setlayout;
struct {
__u8 rule; /* currently fcntl or flock */
__u8 type; /* shared, exclusive, remove*/
__le64 pid; /* process id requesting the lock */
__le64 pid_namespace;
__le64 start; /* initial location to lock */
__le64 length; /* num bytes to lock from start */
__u8 wait; /* will caller wait for lock to become available? */
} __attribute__ ((packed)) filelock_change;
} __attribute__ ((packed));
#define CEPH_MDS_FLAG_REPLAY 1 /* this is a replayed op */
@@ -480,6 +472,23 @@ struct ceph_mds_reply_dirfrag {
__le32 dist[];
} __attribute__ ((packed));
#define CEPH_LOCK_FCNTL 1
#define CEPH_LOCK_FLOCK 2
#define CEPH_LOCK_SHARED 1
#define CEPH_LOCK_EXCL 2
#define CEPH_LOCK_UNLOCK 4
struct ceph_filelock {
__le64 start;/* file offset to start lock at */
__le64 length; /* num bytes to lock; 0 for all following start */
__le64 client; /* which client holds the lock */
__le64 pid; /* process id holding the lock on the client */
__le64 pid_namespace;
__u8 type; /* shared lock, exclusive lock, or unlock */
} __attribute__ ((packed));
/* file access modes */
#define CEPH_FILE_MODE_PIN 0
#define CEPH_FILE_MODE_RD 1
@@ -508,9 +517,10 @@ int ceph_flags_to_mode(int flags);
#define CEPH_CAP_SAUTH 2
#define CEPH_CAP_SLINK 4
#define CEPH_CAP_SXATTR 6
#define CEPH_CAP_SFILE 8 /* goes at the end (uses >2 cap bits) */
#define CEPH_CAP_SFILE 8
#define CEPH_CAP_SFLOCK 20
#define CEPH_CAP_BITS 16
#define CEPH_CAP_BITS 22
/* composed values */
#define CEPH_CAP_AUTH_SHARED (CEPH_CAP_GSHARED << CEPH_CAP_SAUTH)
@@ -528,6 +538,9 @@ int ceph_flags_to_mode(int flags);
#define CEPH_CAP_FILE_BUFFER (CEPH_CAP_GBUFFER << CEPH_CAP_SFILE)
#define CEPH_CAP_FILE_WREXTEND (CEPH_CAP_GWREXTEND << CEPH_CAP_SFILE)
#define CEPH_CAP_FILE_LAZYIO (CEPH_CAP_GLAZYIO << CEPH_CAP_SFILE)
#define CEPH_CAP_FLOCK_SHARED (CEPH_CAP_GSHARED << CEPH_CAP_SFLOCK)
#define CEPH_CAP_FLOCK_EXCL (CEPH_CAP_GEXCL << CEPH_CAP_SFLOCK)
/* cap masks (for getattr) */
#define CEPH_STAT_CAP_INODE CEPH_CAP_PIN
@@ -563,7 +576,8 @@ int ceph_flags_to_mode(int flags);
CEPH_CAP_FILE_EXCL)
#define CEPH_CAP_ANY_WR (CEPH_CAP_ANY_EXCL | CEPH_CAP_ANY_FILE_WR)
#define CEPH_CAP_ANY (CEPH_CAP_ANY_RD | CEPH_CAP_ANY_EXCL | \
CEPH_CAP_ANY_FILE_WR | CEPH_CAP_PIN)
CEPH_CAP_ANY_FILE_WR | CEPH_CAP_FILE_LAZYIO | \
CEPH_CAP_PIN)
#define CEPH_CAP_LOCKS (CEPH_LOCK_IFILE | CEPH_LOCK_IAUTH | CEPH_LOCK_ILINK | \
CEPH_LOCK_IXATTR)
@@ -650,6 +664,16 @@ struct ceph_mds_lease {
/* client reconnect */
struct ceph_mds_cap_reconnect {
__le64 cap_id;
__le32 wanted;
__le32 issued;
__le64 snaprealm;
__le64 pathbase; /* base ino for our path to this ino */
__le32 flock_len; /* size of flock state blob, if any */
} __attribute__ ((packed));
/* followed by flock blob */
struct ceph_mds_cap_reconnect_v1 {
__le64 cap_id;
__le32 wanted;
__le32 issued;
@@ -658,7 +682,6 @@ struct ceph_mds_cap_reconnect {
__le64 snaprealm;
__le64 pathbase; /* base ino for our path to this ino */
} __attribute__ ((packed));
/* followed by encoded string */
struct ceph_mds_snaprealm_reconnect {
__le64 ino; /* snap realm base */
fs/ceph/ceph_hash.h
+2 -2
View File
@@ -1,5 +1,5 @@
#ifndef _FS_CEPH_HASH_H
#define _FS_CEPH_HASH_H
#ifndef FS_CEPH_HASH_H
#define FS_CEPH_HASH_H
#define CEPH_STR_HASH_LINUX 0x1 /* linux dcache hash */
#define CEPH_STR_HASH_RJENKINS 0x2 /* robert jenkins' */
fs/ceph/ceph_strings.c
+3
View File
@@ -28,6 +28,7 @@ const char *ceph_osd_op_name(int op)
case CEPH_OSD_OP_TRUNCATE: return "truncate";
case CEPH_OSD_OP_ZERO: return "zero";
case CEPH_OSD_OP_WRITEFULL: return "writefull";
case CEPH_OSD_OP_ROLLBACK: return "rollback";
case CEPH_OSD_OP_APPEND: return "append";
case CEPH_OSD_OP_STARTSYNC: return "startsync";
@@ -129,6 +130,8 @@ const char *ceph_mds_op_name(int op)
case CEPH_MDS_OP_LSSNAP: return "lssnap";
case CEPH_MDS_OP_MKSNAP: return "mksnap";
case CEPH_MDS_OP_RMSNAP: return "rmsnap";
case CEPH_MDS_OP_SETFILELOCK: return "setfilelock";
case CEPH_MDS_OP_GETFILELOCK: return "getfilelock";
}
return "???";
}
fs/ceph/crush/crush.h
+2 -2
View File
@@ -1,5 +1,5 @@
#ifndef _CRUSH_CRUSH_H
#define _CRUSH_CRUSH_H
#ifndef CEPH_CRUSH_CRUSH_H
#define CEPH_CRUSH_CRUSH_H
#include <linux/types.h>
fs/ceph/crush/hash.h
+2 -2
View File
@@ -1,5 +1,5 @@
#ifndef _CRUSH_HASH_H
#define _CRUSH_HASH_H
#ifndef CEPH_CRUSH_HASH_H
#define CEPH_CRUSH_HASH_H
#define CRUSH_HASH_RJENKINS1 0
fs/ceph/crush/mapper.h
+2 -2
View File
@@ -1,5 +1,5 @@
#ifndef _CRUSH_MAPPER_H
#define _CRUSH_MAPPER_H
#ifndef CEPH_CRUSH_MAPPER_H
#define CEPH_CRUSH_MAPPER_H
/*
* CRUSH functions for find rules and then mapping an input to an
fs/ceph/crypto.c
+15 -12
View File
@@ -75,10 +75,11 @@ static struct crypto_blkcipher *ceph_crypto_alloc_cipher(void)
return crypto_alloc_blkcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC);
}
const u8 *aes_iv = "cephsageyudagreg";
static const u8 *aes_iv = (u8 *)CEPH_AES_IV;
int ceph_aes_encrypt(const void *key, int key_len, void *dst, size_t *dst_len,
const void *src, size_t src_len)
static int ceph_aes_encrypt(const void *key, int key_len,
void *dst, size_t *dst_len,
const void *src, size_t src_len)
{
struct scatterlist sg_in[2], sg_out[1];
struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
@@ -126,9 +127,10 @@ int ceph_aes_encrypt(const void *key, int key_len, void *dst, size_t *dst_len,
return 0;
}
int ceph_aes_encrypt2(const void *key, int key_len, void *dst, size_t *dst_len,
const void *src1, size_t src1_len,
const void *src2, size_t src2_len)
static int ceph_aes_encrypt2(const void *key, int key_len, void *dst,
size_t *dst_len,
const void *src1, size_t src1_len,
const void *src2, size_t src2_len)
{
struct scatterlist sg_in[3], sg_out[1];
struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
@@ -179,8 +181,9 @@ int ceph_aes_encrypt2(const void *key, int key_len, void *dst, size_t *dst_len,
return 0;
}
int ceph_aes_decrypt(const void *key, int key_len, void *dst, size_t *dst_len,
const void *src, size_t src_len)
static int ceph_aes_decrypt(const void *key, int key_len,
void *dst, size_t *dst_len,
const void *src, size_t src_len)
{
struct scatterlist sg_in[1], sg_out[2];
struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
@@ -238,10 +241,10 @@ int ceph_aes_decrypt(const void *key, int key_len, void *dst, size_t *dst_len,
return 0;
}
int ceph_aes_decrypt2(const void *key, int key_len,
void *dst1, size_t *dst1_len,
void *dst2, size_t *dst2_len,
const void *src, size_t src_len)
static int ceph_aes_decrypt2(const void *key, int key_len,
void *dst1, size_t *dst1_len,
void *dst2, size_t *dst2_len,
const void *src, size_t src_len)
{
struct scatterlist sg_in[1], sg_out[3];
struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
fs/ceph/crypto.h
+2 -2
View File
@@ -42,7 +42,7 @@ extern int ceph_encrypt2(struct ceph_crypto_key *secret,
const void *src2, size_t src2_len);
/* armor.c */
extern int ceph_armor(char *dst, const void *src, const void *end);
extern int ceph_unarmor(void *dst, const char *src, const char *end);
extern int ceph_armor(char *dst, const char *src, const char *end);
extern int ceph_unarmor(char *dst, const char *src, const char *end);
#endif
fs/ceph/debugfs.c
+11 -10
View File
@@ -291,7 +291,7 @@ static int dentry_lru_show(struct seq_file *s, void *ptr)
return 0;
}
#define DEFINE_SHOW_FUNC(name) \
#define DEFINE_SHOW_FUNC(name) \
static int name##_open(struct inode *inode, struct file *file) \
{ \
struct seq_file *sf; \
@@ -361,8 +361,8 @@ int ceph_debugfs_client_init(struct ceph_client *client)
int ret = 0;
char name[80];
snprintf(name, sizeof(name), FSID_FORMAT ".client%lld",
PR_FSID(&client->fsid), client->monc.auth->global_id);
snprintf(name, sizeof(name), "%pU.client%lld", &client->fsid,
client->monc.auth->global_id);
client->debugfs_dir = debugfs_create_dir(name, ceph_debugfs_dir);
if (!client->debugfs_dir)
@@ -432,11 +432,12 @@ int ceph_debugfs_client_init(struct ceph_client *client)
if (!client->debugfs_caps)
goto out;
client->debugfs_congestion_kb = debugfs_create_file("writeback_congestion_kb",
0600,
client->debugfs_dir,
client,
&congestion_kb_fops);
client->debugfs_congestion_kb =
debugfs_create_file("writeback_congestion_kb",
0600,
client->debugfs_dir,
client,
&congestion_kb_fops);
if (!client->debugfs_congestion_kb)
goto out;
@@ -466,7 +467,7 @@ void ceph_debugfs_client_cleanup(struct ceph_client *client)
debugfs_remove(client->debugfs_dir);
}
#else // CONFIG_DEBUG_FS
#else /* CONFIG_DEBUG_FS */
int __init ceph_debugfs_init(void)
{
@@ -486,4 +487,4 @@ void ceph_debugfs_client_cleanup(struct ceph_client *client)
{
}
#endif // CONFIG_DEBUG_FS
#endif /* CONFIG_DEBUG_FS */
fs/ceph/decode.h
+4 -2
View File
@@ -99,11 +99,13 @@ static inline void ceph_encode_timespec(struct ceph_timespec *tv,
*/
static inline void ceph_encode_addr(struct ceph_entity_addr *a)
{
a->in_addr.ss_family = htons(a->in_addr.ss_family);
__be16 ss_family = htons(a->in_addr.ss_family);
a->in_addr.ss_family = *(__u16 *)&ss_family;
}
static inline void ceph_decode_addr(struct ceph_entity_addr *a)
{
a->in_addr.ss_family = ntohs(a->in_addr.ss_family);
__be16 ss_family = *(__be16 *)&a->in_addr.ss_family;
a->in_addr.ss_family = ntohs(ss_family);
WARN_ON(a->in_addr.ss_family == 512);
}
fs/ceph/dir.c
+6 -4
View File
@@ -27,7 +27,7 @@
const struct inode_operations ceph_dir_iops;
const struct file_operations ceph_dir_fops;
struct dentry_operations ceph_dentry_ops;
const struct dentry_operations ceph_dentry_ops;
/*
* Initialize ceph dentry state.
@@ -94,6 +94,8 @@ static unsigned fpos_off(loff_t p)
*/
static int __dcache_readdir(struct file *filp,
void *dirent, filldir_t filldir)
__releases(inode->i_lock)
__acquires(inode->i_lock)
{
struct inode *inode = filp->f_dentry->d_inode;
struct ceph_file_info *fi = filp->private_data;
@@ -1239,16 +1241,16 @@ const struct inode_operations ceph_dir_iops = {
.create = ceph_create,
};
struct dentry_operations ceph_dentry_ops = {
const struct dentry_operations ceph_dentry_ops = {
.d_revalidate = ceph_d_revalidate,
.d_release = ceph_dentry_release,
};
struct dentry_operations ceph_snapdir_dentry_ops = {
const struct dentry_operations ceph_snapdir_dentry_ops = {
.d_revalidate = ceph_snapdir_d_revalidate,
.d_release = ceph_dentry_release,
};
struct dentry_operations ceph_snap_dentry_ops = {
const struct dentry_operations ceph_snap_dentry_ops = {
.d_release = ceph_dentry_release,
};

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