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superblock: mask getattr requests with supported_attrs

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on creation of a new superblock, construct a bitmap for the default attribute mask to be used for GETATTR and READDIR requests on that filesystem.  mask out any unsupported attributes, and store the bitmap in the field nfs41_superblock.default_getattr

replaced function init_getattr_request() with nfs41_superblock_getattr_mask(), which returns a copy of superblock->default_getattr

removed the locking in nfs41_superblock_supported_attrs() and nfs41_superblock_supported_attrs_exclcreat(), as the supported_attrs and suppattr_exclcreat fields are read-only after the superblock is first initialized.  also factored out their common code into a bitmap_intersect() function in util.h

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2012-04-02 14:22:58 -04:00 • committed by unknown
parent b955b6d3fe
commit c59124dd20
9 changed files with 65 additions and 71 deletions
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3
daemon/nfs41_ops.h
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@ -1123,9 +1123,6 @@ int nfs41_readdir(
IN OUT uint32_t *entries_len,
OUT bool_t *eof_out);
void init_getattr_request(
OUT bitmap4 *attr_request);
int nfs41_getattr(
IN nfs41_session *session,
IN OPTIONAL nfs41_path_fh *file,