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-rw-r--r--fs/bio.c1
-rw-r--r--fs/block_dev.c15
-rw-r--r--fs/cifs/cifsencrypt.c8
-rw-r--r--fs/cifs/cifsfs.h2
-rw-r--r--fs/cifs/cifsproto.h8
-rw-r--r--fs/cifs/connect.c2
-rw-r--r--fs/cifs/file.c11
-rw-r--r--fs/cifs/sess.c2
-rw-r--r--fs/cifs/smbencrypt.c63
-rw-r--r--fs/exofs/Kconfig2
-rw-r--r--fs/nfs/callback_xdr.c12
-rw-r--r--fs/nfs/file.c9
-rw-r--r--fs/nfs/nfs4filelayout.c7
-rw-r--r--fs/nfs/nfs4proc.c6
-rw-r--r--fs/nfs/nfs4xdr.c2
-rw-r--r--fs/nfs/objlayout/objio_osd.c872
-rw-r--r--fs/nfs/objlayout/objlayout.c209
-rw-r--r--fs/nfs/objlayout/objlayout.h48
-rw-r--r--fs/nfs/pagelist.c2
-rw-r--r--fs/nfs/pnfs.c25
-rw-r--r--fs/nfs/write.c3
-rw-r--r--fs/nfsd/nfssvc.c2
-rw-r--r--fs/squashfs/Kconfig22
-rw-r--r--fs/squashfs/squashfs_fs.h7
-rw-r--r--fs/squashfs/super.c2
-rw-r--r--fs/statfs.c2
26 files changed, 419 insertions, 925 deletions
diff --git a/fs/bio.c b/fs/bio.c
index 9bfade8a609b..41c93c722244 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -255,7 +255,6 @@ void bio_init(struct bio *bio)
{
memset(bio, 0, sizeof(*bio));
bio->bi_flags = 1 << BIO_UPTODATE;
- bio->bi_comp_cpu = -1;
atomic_set(&bio->bi_cnt, 1);
}
EXPORT_SYMBOL(bio_init);
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 95f786ec7f08..b07f1da1de4e 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -971,7 +971,7 @@ static void flush_disk(struct block_device *bdev, bool kill_dirty)
if (!bdev->bd_disk)
return;
- if (disk_partitionable(bdev->bd_disk))
+ if (disk_part_scan_enabled(bdev->bd_disk))
bdev->bd_invalidated = 1;
}
@@ -1085,6 +1085,7 @@ static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part);
static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
{
struct gendisk *disk;
+ struct module *owner;
int ret;
int partno;
int perm = 0;
@@ -1110,6 +1111,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
disk = get_gendisk(bdev->bd_dev, &partno);
if (!disk)
goto out;
+ owner = disk->fops->owner;
disk_block_events(disk);
mutex_lock_nested(&bdev->bd_mutex, for_part);
@@ -1137,8 +1139,8 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
bdev->bd_disk = NULL;
mutex_unlock(&bdev->bd_mutex);
disk_unblock_events(disk);
- module_put(disk->fops->owner);
put_disk(disk);
+ module_put(owner);
goto restart;
}
}
@@ -1194,8 +1196,8 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
goto out_unlock_bdev;
}
/* only one opener holds refs to the module and disk */
- module_put(disk->fops->owner);
put_disk(disk);
+ module_put(owner);
}
bdev->bd_openers++;
if (for_part)
@@ -1215,8 +1217,8 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
out_unlock_bdev:
mutex_unlock(&bdev->bd_mutex);
disk_unblock_events(disk);
- module_put(disk->fops->owner);
put_disk(disk);
+ module_put(owner);
out:
bdput(bdev);
@@ -1442,14 +1444,15 @@ static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
if (!bdev->bd_openers) {
struct module *owner = disk->fops->owner;
- put_disk(disk);
- module_put(owner);
disk_put_part(bdev->bd_part);
bdev->bd_part = NULL;
bdev->bd_disk = NULL;
if (bdev != bdev->bd_contains)
victim = bdev->bd_contains;
bdev->bd_contains = NULL;
+
+ put_disk(disk);
+ module_put(owner);
}
mutex_unlock(&bdev->bd_mutex);
bdput(bdev);
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 2cfb695d1f89..5d9b9acc5fce 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -204,7 +204,7 @@ int cifs_verify_signature(struct kvec *iov, unsigned int nr_iov,
}
/* first calculate 24 bytes ntlm response and then 16 byte session key */
-int setup_ntlm_response(struct cifs_ses *ses)
+int setup_ntlm_response(struct cifs_ses *ses, const struct nls_table *nls_cp)
{
int rc = 0;
unsigned int temp_len = CIFS_SESS_KEY_SIZE + CIFS_AUTH_RESP_SIZE;
@@ -221,14 +221,14 @@ int setup_ntlm_response(struct cifs_ses *ses)
ses->auth_key.len = temp_len;
rc = SMBNTencrypt(ses->password, ses->server->cryptkey,
- ses->auth_key.response + CIFS_SESS_KEY_SIZE);
+ ses->auth_key.response + CIFS_SESS_KEY_SIZE, nls_cp);
if (rc) {
cFYI(1, "%s Can't generate NTLM response, error: %d",
__func__, rc);
return rc;
}
- rc = E_md4hash(ses->password, temp_key);
+ rc = E_md4hash(ses->password, temp_key, nls_cp);
if (rc) {
cFYI(1, "%s Can't generate NT hash, error: %d", __func__, rc);
return rc;
@@ -404,7 +404,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash,
}
/* calculate md4 hash of password */
- E_md4hash(ses->password, nt_hash);
+ E_md4hash(ses->password, nt_hash, nls_cp);
rc = crypto_shash_setkey(ses->server->secmech.hmacmd5, nt_hash,
CIFS_NTHASH_SIZE);
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index d9dbaf869cd1..30ff56005d8f 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -125,5 +125,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
extern const struct export_operations cifs_export_ops;
#endif /* CONFIG_CIFS_NFSD_EXPORT */
-#define CIFS_VERSION "1.75"
+#define CIFS_VERSION "1.76"
#endif /* _CIFSFS_H */
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index ef4f631e4c01..6f4e243e0f62 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -395,8 +395,9 @@ extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
extern int cifs_verify_signature(struct kvec *iov, unsigned int nr_iov,
struct TCP_Server_Info *server,
__u32 expected_sequence_number);
-extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *);
-extern int setup_ntlm_response(struct cifs_ses *);
+extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
+ const struct nls_table *);
+extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
@@ -448,7 +449,8 @@ extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
const unsigned char *path,
struct cifs_sb_info *cifs_sb, int xid);
extern int mdfour(unsigned char *, unsigned char *, int);
-extern int E_md4hash(const unsigned char *passwd, unsigned char *p16);
+extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
+ const struct nls_table *codepage);
extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
unsigned char *p24);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index d545a95c30ed..c0458c543f17 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3452,7 +3452,7 @@ CIFSTCon(unsigned int xid, struct cifs_ses *ses,
else
#endif /* CIFS_WEAK_PW_HASH */
rc = SMBNTencrypt(tcon->password, ses->server->cryptkey,
- bcc_ptr);
+ bcc_ptr, nls_codepage);
bcc_ptr += CIFS_AUTH_RESP_SIZE;
if (ses->capabilities & CAP_UNICODE) {
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index ea096ce5d4f7..c1f063cd1b0c 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -778,7 +778,6 @@ try_again:
else {
mutex_lock(&cinode->lock_mutex);
list_del_init(&lock->blist);
- mutex_unlock(&cinode->lock_mutex);
}
}
@@ -794,6 +793,9 @@ cifs_posix_lock_test(struct file *file, struct file_lock *flock)
struct cifsInodeInfo *cinode = CIFS_I(file->f_path.dentry->d_inode);
unsigned char saved_type = flock->fl_type;
+ if ((flock->fl_flags & FL_POSIX) == 0)
+ return 1;
+
mutex_lock(&cinode->lock_mutex);
posix_test_lock(file, flock);
@@ -810,12 +812,15 @@ static int
cifs_posix_lock_set(struct file *file, struct file_lock *flock)
{
struct cifsInodeInfo *cinode = CIFS_I(file->f_path.dentry->d_inode);
- int rc;
+ int rc = 1;
+
+ if ((flock->fl_flags & FL_POSIX) == 0)
+ return rc;
mutex_lock(&cinode->lock_mutex);
if (!cinode->can_cache_brlcks) {
mutex_unlock(&cinode->lock_mutex);
- return 1;
+ return rc;
}
rc = posix_lock_file_wait(file, flock);
mutex_unlock(&cinode->lock_mutex);
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index c7d80e24f24e..4ec3ee9d72cc 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -683,7 +683,7 @@ ssetup_ntlmssp_authenticate:
cpu_to_le16(CIFS_AUTH_RESP_SIZE);
/* calculate ntlm response and session key */
- rc = setup_ntlm_response(ses);
+ rc = setup_ntlm_response(ses, nls_cp);
if (rc) {
cERROR(1, "Error %d during NTLM authentication", rc);
goto ssetup_exit;
diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c
index ac1221d969d6..7cacba12b8f1 100644
--- a/fs/cifs/smbencrypt.c
+++ b/fs/cifs/smbencrypt.c
@@ -199,75 +199,36 @@ SMBencrypt(unsigned char *passwd, const unsigned char *c8, unsigned char *p24)
return rc;
}
-/* Routines for Windows NT MD4 Hash functions. */
-static int
-_my_wcslen(__u16 *str)
-{
- int len = 0;
- while (*str++ != 0)
- len++;
- return len;
-}
-
-/*
- * Convert a string into an NT UNICODE string.
- * Note that regardless of processor type
- * this must be in intel (little-endian)
- * format.
- */
-
-static int
-_my_mbstowcs(__u16 *dst, const unsigned char *src, int len)
-{ /* BB not a very good conversion routine - change/fix */
- int i;
- __u16 val;
-
- for (i = 0; i < len; i++) {
- val = *src;
- SSVAL(dst, 0, val);
- dst++;
- src++;
- if (val == 0)
- break;
- }
- return i;
-}
-
/*
* Creates the MD4 Hash of the users password in NT UNICODE.
*/
int
-E_md4hash(const unsigned char *passwd, unsigned char *p16)
+E_md4hash(const unsigned char *passwd, unsigned char *p16,
+ const struct nls_table *codepage)
{
int rc;
int len;
__u16 wpwd[129];
/* Password cannot be longer than 128 characters */
- if (passwd) {
- len = strlen((char *) passwd);
- if (len > 128)
- len = 128;
-
- /* Password must be converted to NT unicode */
- _my_mbstowcs(wpwd, passwd, len);
- } else
+ if (passwd) /* Password must be converted to NT unicode */
+ len = cifs_strtoUCS(wpwd, passwd, 128, codepage);
+ else {
len = 0;
+ *wpwd = 0; /* Ensure string is null terminated */
+ }
- wpwd[len] = 0; /* Ensure string is null terminated */
- /* Calculate length in bytes */
- len = _my_wcslen(wpwd) * sizeof(__u16);
-
- rc = mdfour(p16, (unsigned char *) wpwd, len);
- memset(wpwd, 0, 129 * 2);
+ rc = mdfour(p16, (unsigned char *) wpwd, len * sizeof(__u16));
+ memset(wpwd, 0, 129 * sizeof(__u16));
return rc;
}
/* Does the NT MD4 hash then des encryption. */
int
-SMBNTencrypt(unsigned char *passwd, unsigned char *c8, unsigned char *p24)
+SMBNTencrypt(unsigned char *passwd, unsigned char *c8, unsigned char *p24,
+ const struct nls_table *codepage)
{
int rc;
unsigned char p16[16], p21[21];
@@ -275,7 +236,7 @@ SMBNTencrypt(unsigned char *passwd, unsigned char *c8, unsigned char *p24)
memset(p16, '\0', 16);
memset(p21, '\0', 21);
- rc = E_md4hash(passwd, p16);
+ rc = E_md4hash(passwd, p16, codepage);
if (rc) {
cFYI(1, "%s Can't generate NT hash, error: %d", __func__, rc);
return rc;
diff --git a/fs/exofs/Kconfig b/fs/exofs/Kconfig
index fa9a286c8771..da42f32c49be 100644
--- a/fs/exofs/Kconfig
+++ b/fs/exofs/Kconfig
@@ -5,7 +5,7 @@
# selected by any of the users.
config ORE
tristate
- depends on EXOFS_FS
+ depends on EXOFS_FS || PNFS_OBJLAYOUT
select ASYNC_XOR
default SCSI_OSD_ULD
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 918ad647afea..726e59a9e50f 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -488,17 +488,18 @@ static __be32 decode_recallany_args(struct svc_rqst *rqstp,
struct xdr_stream *xdr,
struct cb_recallanyargs *args)
{
- __be32 *p;
+ uint32_t bitmap[2];
+ __be32 *p, status;
args->craa_addr = svc_addr(rqstp);
p = read_buf(xdr, 4);
if (unlikely(p == NULL))
return htonl(NFS4ERR_BADXDR);
args->craa_objs_to_keep = ntohl(*p++);
- p = read_buf(xdr, 4);
- if (unlikely(p == NULL))
- return htonl(NFS4ERR_BADXDR);
- args->craa_type_mask = ntohl(*p);
+ status = decode_bitmap(xdr, bitmap);
+ if (unlikely(status))
+ return status;
+ args->craa_type_mask = bitmap[0];
return 0;
}
@@ -986,4 +987,5 @@ struct svc_version nfs4_callback_version4 = {
.vs_proc = nfs4_callback_procedures1,
.vs_xdrsize = NFS4_CALLBACK_XDRSIZE,
.vs_dispatch = NULL,
+ .vs_hidden = 1,
};
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 91c01f0a4c3b..0a1f8312b4dc 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -137,11 +137,9 @@ nfs_file_open(struct inode *inode, struct file *filp)
static int
nfs_file_release(struct inode *inode, struct file *filp)
{
- struct dentry *dentry = filp->f_path.dentry;
-
dprintk("NFS: release(%s/%s)\n",
- dentry->d_parent->d_name.name,
- dentry->d_name.name);
+ filp->f_path.dentry->d_parent->d_name.name,
+ filp->f_path.dentry->d_name.name);
nfs_inc_stats(inode, NFSIOS_VFSRELEASE);
return nfs_release(inode, filp);
@@ -228,14 +226,13 @@ nfs_file_read(struct kiocb *iocb, const struct iovec *iov,
struct dentry * dentry = iocb->ki_filp->f_path.dentry;
struct inode * inode = dentry->d_inode;
ssize_t result;
- size_t count = iov_length(iov, nr_segs);
if (iocb->ki_filp->f_flags & O_DIRECT)
return nfs_file_direct_read(iocb, iov, nr_segs, pos);
dprintk("NFS: read(%s/%s, %lu@%lu)\n",
dentry->d_parent->d_name.name, dentry->d_name.name,
- (unsigned long) count, (unsigned long) pos);
+ (unsigned long) iov_length(iov, nr_segs), (unsigned long) pos);
result = nfs_revalidate_mapping(inode, iocb->ki_filp->f_mapping);
if (!result) {
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index 09119418402f..12185aadb349 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -449,9 +449,8 @@ filelayout_check_layout(struct pnfs_layout_hdr *lo,
fl->dsaddr = dsaddr;
- if (fl->first_stripe_index < 0 ||
- fl->first_stripe_index >= dsaddr->stripe_count) {
- dprintk("%s Bad first_stripe_index %d\n",
+ if (fl->first_stripe_index >= dsaddr->stripe_count) {
+ dprintk("%s Bad first_stripe_index %u\n",
__func__, fl->first_stripe_index);
goto out_put;
}
@@ -552,7 +551,7 @@ filelayout_decode_layout(struct pnfs_layout_hdr *flo,
/* Note that a zero value for num_fh is legal for STRIPE_SPARSE.
* Futher checking is done in filelayout_check_layout */
- if (fl->num_fh < 0 || fl->num_fh >
+ if (fl->num_fh >
max(NFS4_PNFS_MAX_STRIPE_CNT, NFS4_PNFS_MAX_MULTI_CNT))
goto out_err;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index d2ae413c986a..b60fddf606f7 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5950,6 +5950,7 @@ static void nfs4_layoutcommit_release(void *calldata)
{
struct nfs4_layoutcommit_data *data = calldata;
struct pnfs_layout_segment *lseg, *tmp;
+ unsigned long *bitlock = &NFS_I(data->args.inode)->flags;
pnfs_cleanup_layoutcommit(data);
/* Matched by references in pnfs_set_layoutcommit */
@@ -5959,6 +5960,11 @@ static void nfs4_layoutcommit_release(void *calldata)
&lseg->pls_flags))
put_lseg(lseg);
}
+
+ clear_bit_unlock(NFS_INO_LAYOUTCOMMITTING, bitlock);
+ smp_mb__after_clear_bit();
+ wake_up_bit(bitlock, NFS_INO_LAYOUTCOMMITTING);
+
put_rpccred(data->cred);
kfree(data);
}
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 1dce12f41a4f..e6161b213ed1 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -6602,8 +6602,6 @@ static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp,
if (status)
goto out;
status = decode_secinfo(xdr, res);
- if (status)
- goto out;
out:
return status;
}
diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c
index d0cda12fddc3..c807ab93140e 100644
--- a/fs/nfs/objlayout/objio_osd.c
+++ b/fs/nfs/objlayout/objio_osd.c
@@ -38,21 +38,15 @@
*/
#include <linux/module.h>
-#include <scsi/osd_initiator.h>
+#include <scsi/osd_ore.h>
#include "objlayout.h"
#define NFSDBG_FACILITY NFSDBG_PNFS_LD
-#define _LLU(x) ((unsigned long long)x)
-
-enum { BIO_MAX_PAGES_KMALLOC =
- (PAGE_SIZE - sizeof(struct bio)) / sizeof(struct bio_vec),
-};
-
struct objio_dev_ent {
struct nfs4_deviceid_node id_node;
- struct osd_dev *od;
+ struct ore_dev od;
};
static void
@@ -60,8 +54,8 @@ objio_free_deviceid_node(struct nfs4_deviceid_node *d)
{
struct objio_dev_ent *de = container_of(d, struct objio_dev_ent, id_node);
- dprintk("%s: free od=%p\n", __func__, de->od);
- osduld_put_device(de->od);
+ dprintk("%s: free od=%p\n", __func__, de->od.od);
+ osduld_put_device(de->od.od);
kfree(de);
}
@@ -98,12 +92,12 @@ _dev_list_add(const struct nfs_server *nfss,
nfss->pnfs_curr_ld,
nfss->nfs_client,
d_id);
- de->od = od;
+ de->od.od = od;
d = nfs4_insert_deviceid_node(&de->id_node);
n = container_of(d, struct objio_dev_ent, id_node);
if (n != de) {
- dprintk("%s: Race with other n->od=%p\n", __func__, n->od);
+ dprintk("%s: Race with other n->od=%p\n", __func__, n->od.od);
objio_free_deviceid_node(&de->id_node);
de = n;
}
@@ -111,28 +105,11 @@ _dev_list_add(const struct nfs_server *nfss,
return de;
}
-struct caps_buffers {
- u8 caps_key[OSD_CRYPTO_KEYID_SIZE];
- u8 creds[OSD_CAP_LEN];
-};
-
struct objio_segment {
struct pnfs_layout_segment lseg;
- struct pnfs_osd_object_cred *comps;
-
- unsigned mirrors_p1;
- unsigned stripe_unit;
- unsigned group_width; /* Data stripe_units without integrity comps */
- u64 group_depth;
- unsigned group_count;
-
- unsigned max_io_size;
-
- unsigned comps_index;
- unsigned num_comps;
- /* variable length */
- struct objio_dev_ent *ods[];
+ struct ore_layout layout;
+ struct ore_components oc;
};
static inline struct objio_segment *
@@ -141,59 +118,44 @@ OBJIO_LSEG(struct pnfs_layout_segment *lseg)
return container_of(lseg, struct objio_segment, lseg);
}
-struct objio_state;
-typedef ssize_t (*objio_done_fn)(struct objio_state *ios);
-
struct objio_state {
/* Generic layer */
- struct objlayout_io_state ol_state;
-
- struct objio_segment *layout;
-
- struct kref kref;
- objio_done_fn done;
- void *private;
-
- unsigned long length;
- unsigned numdevs; /* Actually used devs in this IO */
- /* A per-device variable array of size numdevs */
- struct _objio_per_comp {
- struct bio *bio;
- struct osd_request *or;
- unsigned long length;
- u64 offset;
- unsigned dev;
- } per_dev[];
+ struct objlayout_io_res oir;
+
+ bool sync;
+ /*FIXME: Support for extra_bytes at ore_get_rw_state() */
+ struct ore_io_state *ios;
};
/* Send and wait for a get_device_info of devices in the layout,
then look them up with the osd_initiator library */
-static struct objio_dev_ent *_device_lookup(struct pnfs_layout_hdr *pnfslay,
- struct objio_segment *objio_seg, unsigned comp,
- gfp_t gfp_flags)
+static int objio_devices_lookup(struct pnfs_layout_hdr *pnfslay,
+ struct objio_segment *objio_seg, unsigned c, struct nfs4_deviceid *d_id,
+ gfp_t gfp_flags)
{
struct pnfs_osd_deviceaddr *deviceaddr;
- struct nfs4_deviceid *d_id;
struct objio_dev_ent *ode;
struct osd_dev *od;
struct osd_dev_info odi;
int err;
- d_id = &objio_seg->comps[comp].oc_object_id.oid_device_id;
-
ode = _dev_list_find(NFS_SERVER(pnfslay->plh_inode), d_id);
- if (ode)
- return ode;
+ if (ode) {
+ objio_seg->oc.ods[c] = &ode->od; /* must use container_of */
+ return 0;
+ }
err = objlayout_get_deviceinfo(pnfslay, d_id, &deviceaddr, gfp_flags);
if (unlikely(err)) {
dprintk("%s: objlayout_get_deviceinfo dev(%llx:%llx) =>%d\n",
__func__, _DEVID_LO(d_id), _DEVID_HI(d_id), err);
- return ERR_PTR(err);
+ return err;
}
odi.systemid_len = deviceaddr->oda_systemid.len;
if (odi.systemid_len > sizeof(odi.systemid)) {
+ dprintk("%s: odi.systemid_len > sizeof(systemid=%zd)\n",
+ __func__, sizeof(odi.systemid));
err = -EINVAL;
goto out;
} else if (odi.systemid_len)
@@ -218,96 +180,53 @@ static struct objio_dev_ent *_device_lookup(struct pnfs_layout_hdr *pnfslay,
ode = _dev_list_add(NFS_SERVER(pnfslay->plh_inode), d_id, od,
gfp_flags);
-
+ objio_seg->oc.ods[c] = &ode->od; /* must use container_of */
+ dprintk("Adding new dev_id(%llx:%llx)\n",
+ _DEVID_LO(d_id), _DEVID_HI(d_id));
out:
- dprintk("%s: return=%d\n", __func__, err);
objlayout_put_deviceinfo(deviceaddr);
- return err ? ERR_PTR(err) : ode;
+ return err;
}
-static int objio_devices_lookup(struct pnfs_layout_hdr *pnfslay,
- struct objio_segment *objio_seg,
- gfp_t gfp_flags)
+static void copy_single_comp(struct ore_components *oc, unsigned c,
+ struct pnfs_osd_object_cred *src_comp)
{
- unsigned i;
- int err;
+ struct ore_comp *ocomp = &oc->comps[c];
- /* lookup all devices */
- for (i = 0; i < objio_seg->num_comps; i++) {
- struct objio_dev_ent *ode;
+ WARN_ON(src_comp->oc_cap_key.cred_len > 0); /* libosd is NO_SEC only */
+ WARN_ON(src_comp->oc_cap.cred_len > sizeof(ocomp->cred));
- ode = _device_lookup(pnfslay, objio_seg, i, gfp_flags);
- if (unlikely(IS_ERR(ode))) {
- err = PTR_ERR(ode);
- goto out;
- }
- objio_seg->ods[i] = ode;
- }
- err = 0;
+ ocomp->obj.partition = src_comp->oc_object_id.oid_partition_id;
+ ocomp->obj.id = src_comp->oc_object_id.oid_object_id;
-out:
- dprintk("%s: return=%d\n", __func__, err);
- return err;
+ memcpy(ocomp->cred, src_comp->oc_cap.cred, sizeof(ocomp->cred));
}
-static int _verify_data_map(struct pnfs_osd_layout *layout)
+int __alloc_objio_seg(unsigned numdevs, gfp_t gfp_flags,
+ struct objio_segment **pseg)
{
- struct pnfs_osd_data_map *data_map = &layout->olo_map;
- u64 stripe_length;
- u32 group_width;
-
-/* FIXME: Only raid0 for now. if not go through MDS */
- if (data_map->odm_raid_algorithm != PNFS_OSD_RAID_0) {
- printk(KERN_ERR "Only RAID_0 for now\n");
- return -ENOTSUPP;
- }
- if (0 != (data_map->odm_num_comps % (data_map->odm_mirror_cnt + 1))) {
- printk(KERN_ERR "Data Map wrong, num_comps=%u mirrors=%u\n",
- data_map->odm_num_comps, data_map->odm_mirror_cnt);
- return -EINVAL;
- }
+ struct __alloc_objio_segment {
+ struct objio_segment olseg;
+ struct ore_dev *ods[numdevs];
+ struct ore_comp comps[numdevs];
+ } *aolseg;
- if (data_map->odm_group_width)
- group_width = data_map->odm_group_width;
- else
- group_width = data_map->odm_num_comps /
- (data_map->odm_mirror_cnt + 1);
-
- stripe_length = (u64)data_map->odm_stripe_unit * group_width;
- if (stripe_length >= (1ULL << 32)) {
- printk(KERN_ERR "Total Stripe length(0x%llx)"
- " >= 32bit is not supported\n", _LLU(stripe_length));
- return -ENOTSUPP;
+ aolseg = kzalloc(sizeof(*aolseg), gfp_flags);
+ if (unlikely(!aolseg)) {
+ dprintk("%s: Faild allocation numdevs=%d size=%zd\n", __func__,
+ numdevs, sizeof(*aolseg));
+ return -ENOMEM;
}
- if (0 != (data_map->odm_stripe_unit & ~PAGE_MASK)) {
- printk(KERN_ERR "Stripe Unit(0x%llx)"
- " must be Multples of PAGE_SIZE(0x%lx)\n",
- _LLU(data_map->odm_stripe_unit), PAGE_SIZE);
- return -ENOTSUPP;
- }
+ aolseg->olseg.oc.numdevs = numdevs;
+ aolseg->olseg.oc.single_comp = EC_MULTPLE_COMPS;
+ aolseg->olseg.oc.comps = aolseg->comps;
+ aolseg->olseg.oc.ods = aolseg->ods;
+ *pseg = &aolseg->olseg;
return 0;
}
-static void copy_single_comp(struct pnfs_osd_object_cred *cur_comp,
- struct pnfs_osd_object_cred *src_comp,
- struct caps_buffers *caps_p)
-{
- WARN_ON(src_comp->oc_cap_key.cred_len > sizeof(caps_p->caps_key));
- WARN_ON(src_comp->oc_cap.cred_len > sizeof(caps_p->creds));
-
- *cur_comp = *src_comp;
-
- memcpy(caps_p->caps_key, src_comp->oc_cap_key.cred,
- sizeof(caps_p->caps_key));
- cur_comp->oc_cap_key.cred = caps_p->caps_key;
-
- memcpy(caps_p->creds, src_comp->oc_cap.cred,
- sizeof(caps_p->creds));
- cur_comp->oc_cap.cred = caps_p->creds;
-}
-
int objio_alloc_lseg(struct pnfs_layout_segment **outp,
struct pnfs_layout_hdr *pnfslay,
struct pnfs_layout_range *range,
@@ -317,59 +236,43 @@ int objio_alloc_lseg(struct pnfs_layout_segment **outp,
struct objio_segment *objio_seg;
struct pnfs_osd_xdr_decode_layout_iter iter;
struct pnfs_osd_layout layout;
- struct pnfs_osd_object_cred *cur_comp, src_comp;
- struct caps_buffers *caps_p;
+ struct pnfs_osd_object_cred src_comp;
+ unsigned cur_comp;
int err;
err = pnfs_osd_xdr_decode_layout_map(&layout, &iter, xdr);
if (unlikely(err))
return err;
- err = _verify_data_map(&layout);
+ err = __alloc_objio_seg(layout.olo_num_comps, gfp_flags, &objio_seg);
if (unlikely(err))
return err;
- objio_seg = kzalloc(sizeof(*objio_seg) +
- sizeof(objio_seg->ods[0]) * layout.olo_num_comps +
- sizeof(*objio_seg->comps) * layout.olo_num_comps +
- sizeof(struct caps_buffers) * layout.olo_num_comps,
- gfp_flags);
- if (!objio_seg)
- return -ENOMEM;
+ objio_seg->layout.stripe_unit = layout.olo_map.odm_stripe_unit;
+ objio_seg->layout.group_width = layout.olo_map.odm_group_width;
+ objio_seg->layout.group_depth = layout.olo_map.odm_group_depth;
+ objio_seg->layout.mirrors_p1 = layout.olo_map.odm_mirror_cnt + 1;
+ objio_seg->layout.raid_algorithm = layout.olo_map.odm_raid_algorithm;
- objio_seg->comps = (void *)(objio_seg->ods + layout.olo_num_comps);
- cur_comp = objio_seg->comps;
- caps_p = (void *)(cur_comp + layout.olo_num_comps);
- while (pnfs_osd_xdr_decode_layout_comp(&src_comp, &iter, xdr, &err))
- copy_single_comp(cur_comp++, &src_comp, caps_p++);
+ err = ore_verify_layout(layout.olo_map.odm_num_comps,
+ &objio_seg->layout);
if (unlikely(err))
goto err;
- objio_seg->num_comps = layout.olo_num_comps;
- objio_seg->comps_index = layout.olo_comps_index;
- err = objio_devices_lookup(pnfslay, objio_seg, gfp_flags);
- if (err)
- goto err;
-
- objio_seg->mirrors_p1 = layout.olo_map.odm_mirror_cnt + 1;
- objio_seg->stripe_unit = layout.olo_map.odm_stripe_unit;
- if (layout.olo_map.odm_group_width) {
- objio_seg->group_width = layout.olo_map.odm_group_width;
- objio_seg->group_depth = layout.olo_map.odm_group_depth;
- objio_seg->group_count = layout.olo_map.odm_num_comps /
- objio_seg->mirrors_p1 /
- objio_seg->group_width;
- } else {
- objio_seg->group_width = layout.olo_map.odm_num_comps /
- objio_seg->mirrors_p1;
- objio_seg->group_depth = -1;
- objio_seg->group_count = 1;
+ objio_seg->oc.first_dev = layout.olo_comps_index;
+ cur_comp = 0;
+ while (pnfs_osd_xdr_decode_layout_comp(&src_comp, &iter, xdr, &err)) {
+ copy_single_comp(&objio_seg->oc, cur_comp, &src_comp);
+ err = objio_devices_lookup(pnfslay, objio_seg, cur_comp,
+ &src_comp.oc_object_id.oid_device_id,
+ gfp_flags);
+ if (err)
+ goto err;
+ ++cur_comp;
}
-
- /* Cache this calculation it will hit for every page */
- objio_seg->max_io_size = (BIO_MAX_PAGES_KMALLOC * PAGE_SIZE -
- objio_seg->stripe_unit) *
- objio_seg->group_width;
+ /* pnfs_osd_xdr_decode_layout_comp returns false on error */
+ if (unlikely(err))
+ goto err;
*outp = &objio_seg->lseg;
return 0;
@@ -386,43 +289,63 @@ void objio_free_lseg(struct pnfs_layout_segment *lseg)
int i;
struct objio_segment *objio_seg = OBJIO_LSEG(lseg);
- for (i = 0; i < objio_seg->num_comps; i++) {
- if (!objio_seg->ods[i])
+ for (i = 0; i < objio_seg->oc.numdevs; i++) {
+ struct ore_dev *od = objio_seg->oc.ods[i];
+ struct objio_dev_ent *ode;
+
+ if (!od)
break;
- nfs4_put_deviceid_node(&objio_seg->ods[i]->id_node);
+ ode = container_of(od, typeof(*ode), od);
+ nfs4_put_deviceid_node(&ode->id_node);
}
kfree(objio_seg);
}
-int objio_alloc_io_state(struct pnfs_layout_segment *lseg,
- struct objlayout_io_state **outp,
- gfp_t gfp_flags)
+static int
+objio_alloc_io_state(struct pnfs_layout_hdr *pnfs_layout_type, bool is_reading,
+ struct pnfs_layout_segment *lseg, struct page **pages, unsigned pgbase,
+ loff_t offset, size_t count, void *rpcdat