* [PATCH 2/3] libceph: allow setting osd_req_op's flags
2015-04-27 8:24 [PATCH 1/3] libceph: properly release STAT request's raw_data_in Yan, Zheng
@ 2015-04-27 8:24 ` Yan, Zheng
2015-04-27 15:24 ` Alex Elder
2015-04-27 8:24 ` [PATCH 3/3] ceph: check OSD caps before read/write Yan, Zheng
2015-04-27 15:21 ` [PATCH 1/3] libceph: properly release STAT request's raw_data_in Alex Elder
2 siblings, 1 reply; 5+ messages in thread
From: Yan, Zheng @ 2015-04-27 8:24 UTC (permalink / raw)
To: ceph-devel; +Cc: idryomov, Yan, Zheng
Signed-off-by: Yan, Zheng <zyan@redhat.com>
---
drivers/block/rbd.c | 4 ++--
fs/ceph/addr.c | 3 ++-
fs/ceph/file.c | 2 +-
include/linux/ceph/osd_client.h | 2 +-
net/ceph/osd_client.c | 24 +++++++++++++++---------
5 files changed, 21 insertions(+), 14 deletions(-)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 8125233..15ddc5e 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2371,7 +2371,7 @@ static void rbd_img_obj_request_fill(struct rbd_obj_request *obj_request,
}
if (opcode == CEPH_OSD_OP_DELETE)
- osd_req_op_init(osd_request, num_ops, opcode);
+ osd_req_op_init(osd_request, num_ops, opcode, 0);
else
osd_req_op_extent_init(osd_request, num_ops, opcode,
offset, length, 0, 0);
@@ -2843,7 +2843,7 @@ static int rbd_img_obj_exists_submit(struct rbd_obj_request *obj_request)
goto out;
stat_request->callback = rbd_img_obj_exists_callback;
- osd_req_op_init(stat_request->osd_req, 0, CEPH_OSD_OP_STAT);
+ osd_req_op_init(stat_request->osd_req, 0, CEPH_OSD_OP_STAT, 0);
osd_req_op_raw_data_in_pages(stat_request->osd_req, 0, pages, size, 0,
false, false);
rbd_osd_req_format_read(stat_request);
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index cab1cf5..bdeea57 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -884,7 +884,8 @@ get_more_pages:
}
if (do_sync)
- osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC);
+ osd_req_op_init(req, 1,
+ CEPH_OSD_OP_STARTSYNC, 0);
req->r_callback = writepages_finish;
req->r_inode = inode;
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index d533075..a972019 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -615,7 +615,7 @@ ceph_sync_direct_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos)
break;
}
- osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC);
+ osd_req_op_init(req, 1, CEPH_OSD_OP_STARTSYNC, 0);
n = iov_iter_get_pages_alloc(from, &pages, len, &start);
if (unlikely(n < 0)) {
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 61b19c4..7506b48 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -249,7 +249,7 @@ extern void ceph_osdc_handle_map(struct ceph_osd_client *osdc,
struct ceph_msg *msg);
extern void osd_req_op_init(struct ceph_osd_request *osd_req,
- unsigned int which, u16 opcode);
+ unsigned int which, u16 opcode, u32 flags);
extern void osd_req_op_raw_data_in_pages(struct ceph_osd_request *,
unsigned int which,
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index b93531f..e3c2e8b 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -453,7 +453,7 @@ __CEPH_FORALL_OSD_OPS(GENERATE_CASE)
*/
static struct ceph_osd_req_op *
_osd_req_op_init(struct ceph_osd_request *osd_req, unsigned int which,
- u16 opcode)
+ u16 opcode, u32 flags)
{
struct ceph_osd_req_op *op;
@@ -463,14 +463,15 @@ _osd_req_op_init(struct ceph_osd_request *osd_req, unsigned int which,
op = &osd_req->r_ops[which];
memset(op, 0, sizeof (*op));
op->op = opcode;
+ op->flags = flags;
return op;
}
void osd_req_op_init(struct ceph_osd_request *osd_req,
- unsigned int which, u16 opcode)
+ unsigned int which, u16 opcode, u32 flags)
{
- (void)_osd_req_op_init(osd_req, which, opcode);
+ (void)_osd_req_op_init(osd_req, which, opcode, flags);
}
EXPORT_SYMBOL(osd_req_op_init);
@@ -479,7 +480,8 @@ void osd_req_op_extent_init(struct ceph_osd_request *osd_req,
u64 offset, u64 length,
u64 truncate_size, u32 truncate_seq)
{
- struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which, opcode);
+ struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which,
+ opcode, 0);
size_t payload_len = 0;
BUG_ON(opcode != CEPH_OSD_OP_READ && opcode != CEPH_OSD_OP_WRITE &&
@@ -518,7 +520,8 @@ EXPORT_SYMBOL(osd_req_op_extent_update);
void osd_req_op_cls_init(struct ceph_osd_request *osd_req, unsigned int which,
u16 opcode, const char *class, const char *method)
{
- struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which, opcode);
+ struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which,
+ opcode, 0);
struct ceph_pagelist *pagelist;
size_t payload_len = 0;
size_t size;
@@ -555,7 +558,8 @@ int osd_req_op_xattr_init(struct ceph_osd_request *osd_req, unsigned int which,
u16 opcode, const char *name, const void *value,
size_t size, u8 cmp_op, u8 cmp_mode)
{
- struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which, opcode);
+ struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which,
+ opcode, 0);
struct ceph_pagelist *pagelist;
size_t payload_len;
@@ -588,7 +592,8 @@ void osd_req_op_watch_init(struct ceph_osd_request *osd_req,
unsigned int which, u16 opcode,
u64 cookie, u64 version, int flag)
{
- struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which, opcode);
+ struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which,
+ opcode, 0);
BUG_ON(opcode != CEPH_OSD_OP_NOTIFY_ACK && opcode != CEPH_OSD_OP_WATCH);
@@ -605,7 +610,8 @@ void osd_req_op_alloc_hint_init(struct ceph_osd_request *osd_req,
u64 expected_write_size)
{
struct ceph_osd_req_op *op = _osd_req_op_init(osd_req, which,
- CEPH_OSD_OP_SETALLOCHINT);
+ CEPH_OSD_OP_SETALLOCHINT,
+ 0);
op->alloc_hint.expected_object_size = expected_object_size;
op->alloc_hint.expected_write_size = expected_write_size;
@@ -789,7 +795,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
}
if (opcode == CEPH_OSD_OP_CREATE || opcode == CEPH_OSD_OP_DELETE) {
- osd_req_op_init(req, which, opcode);
+ osd_req_op_init(req, which, opcode, 0);
} else {
u32 object_size = le32_to_cpu(layout->fl_object_size);
u32 object_base = off - objoff;
--
1.9.3
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH 3/3] ceph: check OSD caps before read/write
2015-04-27 8:24 [PATCH 1/3] libceph: properly release STAT request's raw_data_in Yan, Zheng
2015-04-27 8:24 ` [PATCH 2/3] libceph: allow setting osd_req_op's flags Yan, Zheng
@ 2015-04-27 8:24 ` Yan, Zheng
2015-04-27 15:21 ` [PATCH 1/3] libceph: properly release STAT request's raw_data_in Alex Elder
2 siblings, 0 replies; 5+ messages in thread
From: Yan, Zheng @ 2015-04-27 8:24 UTC (permalink / raw)
To: ceph-devel; +Cc: idryomov, Yan, Zheng
Signed-off-by: Yan, Zheng <zyan@redhat.com>
---
fs/ceph/addr.c | 203 +++++++++++++++++++++++++++++++++++++++++++++++++++
fs/ceph/caps.c | 4 +
fs/ceph/inode.c | 3 +
fs/ceph/mds_client.c | 4 +
fs/ceph/mds_client.h | 9 +++
fs/ceph/super.c | 15 +++-
fs/ceph/super.h | 17 +++--
7 files changed, 249 insertions(+), 6 deletions(-)
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index bdeea57..c65f9e0 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1599,3 +1599,206 @@ int ceph_mmap(struct file *file, struct vm_area_struct *vma)
vma->vm_ops = &ceph_vmops;
return 0;
}
+
+enum {
+ POOL_READ = 1,
+ POOL_WRITE = 2,
+};
+
+static int __ceph_pool_perm_get(struct ceph_inode_info *ci, u32 pool)
+{
+ struct ceph_fs_client *fsc = ceph_inode_to_client(&ci->vfs_inode);
+ struct ceph_mds_client *mdsc = fsc->mdsc;
+ struct ceph_osd_request *rd_req = NULL, *wr_req = NULL;
+ struct rb_node **p, *parent;
+ struct ceph_pool_perm *perm;
+ struct page **pages;
+ int err = 0, err2 = 0, have = 0;
+
+ down_read(&mdsc->pool_perm_rwsem);
+ p = &mdsc->pool_perm_tree.rb_node;
+ while (*p) {
+ perm = rb_entry(*p, struct ceph_pool_perm, node);
+ if (pool < perm->pool)
+ p = &(*p)->rb_left;
+ else if (pool > perm->pool)
+ p = &(*p)->rb_right;
+ else {
+ have = perm->perm;
+ break;
+ }
+ }
+ up_read(&mdsc->pool_perm_rwsem);
+ if (*p)
+ goto out;
+
+ dout("__ceph_pool_perm_get pool %u no perm cached\n", pool);
+
+ down_write(&mdsc->pool_perm_rwsem);
+ parent = NULL;
+ while (*p) {
+ parent = *p;
+ perm = rb_entry(parent, struct ceph_pool_perm, node);
+ if (pool < perm->pool)
+ p = &(*p)->rb_left;
+ else if (pool > perm->pool)
+ p = &(*p)->rb_right;
+ else {
+ have = perm->perm;
+ break;
+ }
+ }
+ if (*p) {
+ up_write(&mdsc->pool_perm_rwsem);
+ goto out;
+ }
+
+ rd_req = ceph_osdc_alloc_request(&fsc->client->osdc,
+ ci->i_snap_realm->cached_context,
+ 1, false, GFP_NOFS);
+ if (!rd_req) {
+ err = -ENOMEM;
+ goto out_unlock;
+ }
+
+ rd_req->r_flags = CEPH_OSD_FLAG_READ;
+ osd_req_op_init(rd_req, 0, CEPH_OSD_OP_STAT, 0);
+ rd_req->r_base_oloc.pool = pool;
+ snprintf(rd_req->r_base_oid.name, sizeof(rd_req->r_base_oid.name),
+ "%llx.00000000", ci->i_vino.ino);
+ rd_req->r_base_oid.name_len = strlen(rd_req->r_base_oid.name);
+
+ wr_req = ceph_osdc_alloc_request(&fsc->client->osdc,
+ ci->i_snap_realm->cached_context,
+ 1, false, GFP_NOFS);
+ if (!wr_req) {
+ err = -ENOMEM;
+ goto out_unlock;
+ }
+
+ wr_req->r_flags = CEPH_OSD_FLAG_WRITE |
+ CEPH_OSD_FLAG_ACK | CEPH_OSD_FLAG_ONDISK;
+ osd_req_op_init(wr_req, 0, CEPH_OSD_OP_CREATE, CEPH_OSD_OP_FLAG_EXCL);
+ wr_req->r_base_oloc.pool = pool;
+ wr_req->r_base_oid = rd_req->r_base_oid;
+
+ /* one page should be large enough for STAT data */
+ pages = ceph_alloc_page_vector(1, GFP_KERNEL);
+ if (IS_ERR(pages)) {
+ err = PTR_ERR(pages);
+ goto out_unlock;
+ }
+
+ osd_req_op_raw_data_in_pages(rd_req, 0, pages, PAGE_SIZE,
+ 0, false, true);
+ ceph_osdc_build_request(rd_req, 0, NULL, CEPH_NOSNAP,
+ &ci->vfs_inode.i_mtime);
+ err = ceph_osdc_start_request(&fsc->client->osdc, rd_req, false);
+
+ ceph_osdc_build_request(wr_req, 0, NULL, CEPH_NOSNAP,
+ &ci->vfs_inode.i_mtime);
+ err2 = ceph_osdc_start_request(&fsc->client->osdc, wr_req, false);
+
+ if (!err)
+ err = ceph_osdc_wait_request(&fsc->client->osdc, rd_req);
+ if (!err2)
+ err2 = ceph_osdc_wait_request(&fsc->client->osdc, wr_req);
+
+ if (err >= 0 || err == -ENOENT)
+ have |= POOL_READ;
+ else if (err != -EPERM)
+ goto out_unlock;
+
+ if (err2 == 0 || err2 == -EEXIST)
+ have |= POOL_WRITE;
+ else if (err2 != -EPERM) {
+ err = err2;
+ goto out_unlock;
+ }
+
+ perm = kmalloc(sizeof(*perm), GFP_NOFS);
+ if (!perm) {
+ err = -ENOMEM;
+ goto out_unlock;
+ }
+
+ perm->pool = pool;
+ perm->perm = have;
+ rb_link_node(&perm->node, parent, p);
+ rb_insert_color(&perm->node, &mdsc->pool_perm_tree);
+ err = 0;
+out_unlock:
+ up_write(&mdsc->pool_perm_rwsem);
+
+ if (rd_req)
+ ceph_osdc_put_request(rd_req);
+ if (wr_req)
+ ceph_osdc_put_request(wr_req);
+out:
+ if (!err)
+ err = have;
+ dout("__ceph_pool_perm_get pool %u result = %d\n", pool, err);
+ return err;
+}
+
+int ceph_pool_perm_check(struct ceph_inode_info *ci, int need)
+{
+ u32 pool;
+ int ret, flags;
+
+ if (ceph_test_mount_opt(ceph_inode_to_client(&ci->vfs_inode),
+ NOPOOLPERM))
+ return 0;
+
+ spin_lock(&ci->i_ceph_lock);
+ flags = ci->i_ceph_flags;
+ pool = ceph_file_layout_pg_pool(ci->i_layout);
+ spin_unlock(&ci->i_ceph_lock);
+check:
+ if (flags & CEPH_I_POOL_PERM) {
+ if ((need & CEPH_CAP_FILE_RD) && !(flags & CEPH_I_POOL_RD)) {
+ dout("ceph_pool_perm_check pool %u no read perm\n",
+ pool);
+ return -EPERM;
+ }
+ if ((need & CEPH_CAP_FILE_WR) && !(flags & CEPH_I_POOL_WR)) {
+ dout("ceph_pool_perm_check pool %u no write perm\n",
+ pool);
+ return -EPERM;
+ }
+ return 0;
+ }
+
+ ret = __ceph_pool_perm_get(ci, pool);
+ if (ret < 0)
+ return ret;
+
+ flags = CEPH_I_POOL_PERM;
+ if (ret & POOL_READ)
+ flags |= CEPH_I_POOL_RD;
+ if (ret & POOL_WRITE)
+ flags |= CEPH_I_POOL_WR;
+
+ spin_lock(&ci->i_ceph_lock);
+ if (pool == ceph_file_layout_pg_pool(ci->i_layout)) {
+ ci->i_ceph_flags = flags;
+ } else {
+ pool = ceph_file_layout_pg_pool(ci->i_layout);
+ flags = ci->i_ceph_flags;
+ }
+ spin_unlock(&ci->i_ceph_lock);
+ goto check;
+}
+
+void ceph_pool_perm_destroy(struct ceph_mds_client *mdsc)
+{
+ struct ceph_pool_perm *perm;
+ struct rb_node *n;
+
+ while (!RB_EMPTY_ROOT(&mdsc->pool_perm_tree)) {
+ n = rb_first(&mdsc->pool_perm_tree);
+ perm = rb_entry(n, struct ceph_pool_perm, node);
+ rb_erase(n, &mdsc->pool_perm_tree);
+ kfree(perm);
+ }
+}
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 11631c4..7438c00 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2233,6 +2233,10 @@ int ceph_get_caps(struct ceph_inode_info *ci, int need, int want,
{
int _got, check_max, ret, err = 0;
+ ret = ceph_pool_perm_check(ci, need);
+ if (ret < 0)
+ return ret;
+
retry:
if (endoff > 0)
check_max_size(&ci->vfs_inode, endoff);
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 119c43c..7ae320bc 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -753,7 +753,10 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
if (new_version ||
(new_issued & (CEPH_CAP_ANY_FILE_RD | CEPH_CAP_ANY_FILE_WR))) {
+ if (ci->i_layout.fl_pg_pool != info->layout.fl_pg_pool)
+ ci->i_ceph_flags &= ~CEPH_I_POOL_PERM;
ci->i_layout = info->layout;
+
queue_trunc = ceph_fill_file_size(inode, issued,
le32_to_cpu(info->truncate_seq),
le64_to_cpu(info->truncate_size),
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 0a2eb32..61e316a 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3414,6 +3414,9 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc)
ceph_caps_init(mdsc);
ceph_adjust_min_caps(mdsc, fsc->min_caps);
+ init_rwsem(&mdsc->pool_perm_rwsem);
+ mdsc->pool_perm_tree = RB_ROOT;
+
return 0;
}
@@ -3607,6 +3610,7 @@ static void ceph_mdsc_stop(struct ceph_mds_client *mdsc)
ceph_mdsmap_destroy(mdsc->mdsmap);
kfree(mdsc->sessions);
ceph_caps_finalize(mdsc);
+ ceph_pool_perm_destroy(mdsc);
}
void ceph_mdsc_destroy(struct ceph_fs_client *fsc)
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 1875b5d..d474141 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -260,6 +260,12 @@ struct ceph_mds_request {
int r_num_caps;
};
+struct ceph_pool_perm {
+ struct rb_node node;
+ u32 pool;
+ int perm;
+};
+
/*
* mds client state
*/
@@ -328,6 +334,9 @@ struct ceph_mds_client {
spinlock_t dentry_lru_lock;
struct list_head dentry_lru;
int num_dentry;
+
+ struct rw_semaphore pool_perm_rwsem;
+ struct rb_root pool_perm_tree;
};
extern const char *ceph_mds_op_name(int op);
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index e463ebd..43c7193 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -134,10 +134,12 @@ enum {
Opt_noino32,
Opt_fscache,
Opt_nofscache,
+ Opt_poolperm,
+ Opt_nopoolperm,
#ifdef CONFIG_CEPH_FS_POSIX_ACL
Opt_acl,
#endif
- Opt_noacl
+ Opt_noacl,
};
static match_table_t fsopt_tokens = {
@@ -165,6 +167,8 @@ static match_table_t fsopt_tokens = {
{Opt_noino32, "noino32"},
{Opt_fscache, "fsc"},
{Opt_nofscache, "nofsc"},
+ {Opt_poolperm, "poolperm"},
+ {Opt_nopoolperm, "nopoolperm"},
#ifdef CONFIG_CEPH_FS_POSIX_ACL
{Opt_acl, "acl"},
#endif
@@ -268,6 +272,13 @@ static int parse_fsopt_token(char *c, void *private)
case Opt_nofscache:
fsopt->flags &= ~CEPH_MOUNT_OPT_FSCACHE;
break;
+ case Opt_poolperm:
+ fsopt->flags &= ~CEPH_MOUNT_OPT_NOPOOLPERM;
+ printk ("pool perm");
+ break;
+ case Opt_nopoolperm:
+ fsopt->flags |= CEPH_MOUNT_OPT_NOPOOLPERM;
+ break;
#ifdef CONFIG_CEPH_FS_POSIX_ACL
case Opt_acl:
fsopt->sb_flags |= MS_POSIXACL;
@@ -436,6 +447,8 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
seq_puts(m, ",nodcache");
if (fsopt->flags & CEPH_MOUNT_OPT_FSCACHE)
seq_puts(m, ",fsc");
+ if (fsopt->flags & CEPH_MOUNT_OPT_NOPOOLPERM)
+ seq_puts(m, ",nopoolperm");
#ifdef CONFIG_CEPH_FS_POSIX_ACL
if (fsopt->sb_flags & MS_POSIXACL)
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index fa20e13..18b917c 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -35,6 +35,7 @@
#define CEPH_MOUNT_OPT_INO32 (1<<8) /* 32 bit inos */
#define CEPH_MOUNT_OPT_DCACHE (1<<9) /* use dcache for readdir etc */
#define CEPH_MOUNT_OPT_FSCACHE (1<<10) /* use fscache */
+#define CEPH_MOUNT_OPT_NOPOOLPERM (1<<11) /* no pool permission check */
#define CEPH_MOUNT_OPT_DEFAULT (CEPH_MOUNT_OPT_RBYTES | \
CEPH_MOUNT_OPT_DCACHE)
@@ -438,10 +439,14 @@ static inline struct inode *ceph_find_inode(struct super_block *sb,
/*
* Ceph inode.
*/
-#define CEPH_I_DIR_ORDERED 1 /* dentries in dir are ordered */
-#define CEPH_I_NODELAY 4 /* do not delay cap release */
-#define CEPH_I_FLUSH 8 /* do not delay flush of dirty metadata */
-#define CEPH_I_NOFLUSH 16 /* do not flush dirty caps */
+#define CEPH_I_DIR_ORDERED (1 << 0) /* dentries in dir are ordered */
+#define CEPH_I_NODELAY (1 << 1) /* do not delay cap release */
+#define CEPH_I_FLUSH (1 << 2) /* do not delay flush of dirty metadata */
+#define CEPH_I_NOFLUSH (1 << 3) /* do not flush dirty caps */
+#define CEPH_I_POOL_PERM (1 << 4) /* pool rd/wr bits are valid */
+#define CEPH_I_POOL_RD (1 << 5) /* can read from pool */
+#define CEPH_I_POOL_WR (1 << 6) /* can write to pool */
+
static inline void __ceph_dir_set_complete(struct ceph_inode_info *ci,
int release_count, int ordered_count)
@@ -879,6 +884,9 @@ extern void ceph_put_fmode(struct ceph_inode_info *ci, int mode);
/* addr.c */
extern const struct address_space_operations ceph_aops;
extern int ceph_mmap(struct file *file, struct vm_area_struct *vma);
+extern int ceph_uninline_data(struct file *filp, struct page *locked_page);
+extern int ceph_pool_perm_check(struct ceph_inode_info *ci, int need);
+extern void ceph_pool_perm_destroy(struct ceph_mds_client* mdsc);
/* file.c */
extern const struct file_operations ceph_file_fops;
@@ -890,7 +898,6 @@ extern int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
extern int ceph_release(struct inode *inode, struct file *filp);
extern void ceph_fill_inline_data(struct inode *inode, struct page *locked_page,
char *data, size_t len);
-int ceph_uninline_data(struct file *filp, struct page *locked_page);
/* dir.c */
extern const struct file_operations ceph_dir_fops;
extern const struct file_operations ceph_snapdir_fops;
--
1.9.3
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