Author: ae
Date: Tue Apr 15 09:10:01 2014
New Revision: 264494
URL: http://svnweb.freebsd.org/changeset/base/264494
Log:
Use SMB_QUERY_FS_SIZE_INFO request to populate statfs structure.
When server doesn't support this request, try to use SMB_INFO_ALLOCATION.
And use SMB_COM_QUERY_INFORMATION_DISK request as fallback.
MFC after: 2 weeks
Modified:
head/sys/fs/smbfs/smbfs_smb.c
head/sys/fs/smbfs/smbfs_subr.h
head/sys/fs/smbfs/smbfs_vfsops.c
Modified: head/sys/fs/smbfs/smbfs_smb.c
==============================================================================
--- head/sys/fs/smbfs/smbfs_smb.c Tue Apr 15 08:08:44 2014
(r264493)
+++ head/sys/fs/smbfs/smbfs_smb.c Tue Apr 15 09:10:01 2014
(r264494)
@@ -135,8 +135,49 @@ smbfs_smb_lock(struct smbnode *np, int o
return smbfs_smb_lockandx(np, op, (uintptr_t)id, start, end,
scred);
}
-int
-smbfs_smb_statfs2(struct smb_share *ssp, struct statfs *sbp,
+static int
+smbfs_query_info_fs(struct smb_share *ssp, struct statfs *sbp,
+ struct smb_cred *scred)
+{
+ struct smb_t2rq *t2p;
+ struct mbchain *mbp;
+ struct mdchain *mdp;
+ uint32_t bsize, bpu;
+ int64_t units, funits;
+ int error;
+
+ error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_QUERY_FS_INFORMATION,
+ scred, &t2p);
+ if (error)
+ return (error);
+ mbp = &t2p->t2_tparam;
+ mb_init(mbp);
+ mb_put_uint16le(mbp, SMB_QUERY_FS_SIZE_INFO);
+ t2p->t2_maxpcount = 2;
+ t2p->t2_maxdcount = sizeof(int64_t) * 2 + sizeof(uint32_t) * 2;
+ error = smb_t2_request(t2p);
+ if (error) {
+ smb_t2_done(t2p);
+ return (error);
+ }
+ mdp = &t2p->t2_rdata;
+ md_get_int64le(mdp, &units);
+ md_get_int64le(mdp, &funits);
+ md_get_uint32le(mdp, &bpu);
+ md_get_uint32le(mdp, &bsize);
+ sbp->f_bsize = bpu * bsize; /* fundamental filesystem block size */
+ sbp->f_blocks= (uint64_t)units; /* total data blocks in filesystem */
+ sbp->f_bfree = (uint64_t)funits;/* free blocks in fs */
+ sbp->f_bavail= (uint64_t)funits;/* free blocks avail to non-superuser */
+ sbp->f_files = 0xffff; /* total file nodes in filesystem */
+ sbp->f_ffree = 0xffff; /* free file nodes in fs */
+ smb_t2_done(t2p);
+ return (0);
+}
+
+
+static int
+smbfs_query_info_alloc(struct smb_share *ssp, struct statfs *sbp,
struct smb_cred *scred)
{
struct smb_t2rq *t2p;
@@ -176,8 +217,8 @@ smbfs_smb_statfs2(struct smb_share *ssp,
return 0;
}
-int
-smbfs_smb_statfs(struct smb_share *ssp, struct statfs *sbp,
+static int
+smbfs_query_info_disk(struct smb_share *ssp, struct statfs *sbp,
struct smb_cred *scred)
{
struct smb_rq *rqp;
@@ -213,6 +254,20 @@ smbfs_smb_statfs(struct smb_share *ssp,
return 0;
}
+int
+smbfs_smb_statfs(struct smb_share *ssp, struct statfs *sbp,
+ struct smb_cred *scred)
+{
+
+ if (SMB_DIALECT(SSTOVC(ssp)) >= SMB_DIALECT_LANMAN2_0) {
+ if (smbfs_query_info_fs(ssp, sbp, scred) == 0)
+ return (0);
+ if (smbfs_query_info_alloc(ssp, sbp, scred) == 0)
+ return (0);
+ }
+ return (smbfs_query_info_disk(ssp, sbp, scred));
+}
+
static int
smbfs_smb_seteof(struct smbnode *np, int64_t newsize, struct smb_cred *scred)
{
Modified: head/sys/fs/smbfs/smbfs_subr.h
==============================================================================
--- head/sys/fs/smbfs/smbfs_subr.h Tue Apr 15 08:08:44 2014
(r264493)
+++ head/sys/fs/smbfs/smbfs_subr.h Tue Apr 15 09:10:01 2014
(r264494)
@@ -126,8 +126,6 @@ struct smbfs_fctx {
*/
int smbfs_smb_lock(struct smbnode *np, int op, caddr_t id,
off_t start, off_t end, struct smb_cred *scred);
-int smbfs_smb_statfs2(struct smb_share *ssp, struct statfs *sbp,
- struct smb_cred *scred);
int smbfs_smb_statfs(struct smb_share *ssp, struct statfs *sbp,
struct smb_cred *scred);
int smbfs_smb_setfsize(struct smbnode *np, int newsize, struct smb_cred
*scred);
Modified: head/sys/fs/smbfs/smbfs_vfsops.c
==============================================================================
--- head/sys/fs/smbfs/smbfs_vfsops.c Tue Apr 15 08:08:44 2014
(r264493)
+++ head/sys/fs/smbfs/smbfs_vfsops.c Tue Apr 15 09:10:01 2014
(r264494)
@@ -390,7 +390,7 @@ smbfs_statfs(struct mount *mp, struct st
struct smbnode *np = smp->sm_root;
struct smb_share *ssp = smp->sm_share;
struct smb_cred *scred;
- int error = 0;
+ int error;
if (np == NULL) {
vfs_mount_error(mp, "np == NULL");
@@ -400,16 +400,9 @@ smbfs_statfs(struct mount *mp, struct st
sbp->f_iosize = SSTOVC(ssp)->vc_txmax; /* optimal transfer
block size */
scred = smbfs_malloc_scred();
smb_makescred(scred, td, td->td_ucred);
-
- if (SMB_DIALECT(SSTOVC(ssp)) >= SMB_DIALECT_LANMAN2_0)
- error = smbfs_smb_statfs2(ssp, sbp, scred);
- else
- error = smbfs_smb_statfs(ssp, sbp, scred);
- if (error) {
- smbfs_free_scred(scred);
- return error;
- }
- sbp->f_flags = 0; /* copy of mount exported flags */
+ error = smbfs_smb_statfs(ssp, sbp, scred);
+ if (error == 0)
+ sbp->f_flags = 0; /* copy of mount exported flags */
smbfs_free_scred(scred);
- return 0;
+ return (error);
}
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