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cache volume attrs with superblock

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U-fast\aglo 2011-06-16 08:05:13 -04:00 • committed by unknown
parent a4c726f92d
commit f80d7ec365
4 changed files with 104 additions and 40 deletions
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29
daemon/nfs41_superblock.c
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@ -82,8 +82,10 @@ static int get_superblock_attrs(
nfs41_file_info info;
attr_request.arr[0] = FATTR4_WORD0_SUPPORTED_ATTRS |
FATTR4_WORD0_CANSETTIME | FATTR4_WORD0_MAXREAD |
(uint32_t)(FATTR4_WORD0_MAXWRITE) | FATTR4_WORD0_ACLSUPPORT;
FATTR4_WORD0_LINK_SUPPORT | FATTR4_WORD0_SYMLINK_SUPPORT |
FATTR4_WORD0_ACLSUPPORT | FATTR4_WORD0_CANSETTIME |
FATTR4_WORD0_CASE_INSENSITIVE | FATTR4_WORD0_CASE_PRESERVING |
FATTR4_WORD0_MAXREAD | (uint32_t)(FATTR4_WORD0_MAXWRITE);
attr_request.arr[1] = FATTR4_WORD1_FS_LAYOUT_TYPE |
FATTR4_WORD1_TIME_DELTA;
attr_request.count = 2;
@ -112,6 +114,11 @@ static int get_superblock_attrs(
superblock->maxwrite = session->fore_chan_attrs.ca_maxrequestsize;
superblock->layout_types = info.fs_layout_types;
superblock->aclsupport = info.aclsupport;
superblock->link_support = info.link_support;
superblock->symlink_support = info.symlink_support;
superblock->case_preserving = info.case_preserving;
superblock->case_insensitive = info.case_insensitive;
if (bitmap_isset(&info.attrmask, 0, FATTR4_WORD0_CANSETTIME))
superblock->cansettime = info.cansettime;
@ -122,15 +129,18 @@ static int get_superblock_attrs(
if (!bitmap_isset(&info.attrmask, 1, FATTR4_WORD1_TIME_DELTA))
superblock->time_delta.seconds = 1;
superblock->aclsupport = info.aclsupport;
dprintf(SBLVL, "attributes for fsid(%llu,%llu): "
"maxread=%llu, maxwrite=%llu, layout_types: 0x%X, "
"cansettime=%u, time_delta={%llu,%u}, aclsupport=%d\n",
"cansettime=%u, time_delta={%llu,%u}, aclsupport=%u, "
"link_support=%u, symlink_support=%u, case_preserving=%u, "
"case_insensitive=%u\n",
superblock->fsid.major, superblock->fsid.minor,
superblock->maxread, superblock->maxwrite,
superblock->layout_types, superblock->cansettime,
superblock->time_delta.seconds, superblock->time_delta.nseconds,
superblock->aclsupport);
superblock->aclsupport, superblock->link_support,
superblock->symlink_support, superblock->case_preserving,
superblock->case_insensitive);
out:
return status;
}
@ -236,3 +246,12 @@ out:
file->fh.superblock, status);
return status;
}
void nfs41_superblock_space_changed(
IN nfs41_superblock *superblock)
{
/* invalidate cached volume size attributes */
AcquireSRWLockExclusive(&superblock->lock);
superblock->cache_expiration = 0;
ReleaseSRWLockExclusive(&superblock->lock);
}