Support statx() mask and query flags parameters

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Support the query flags AT_STATX_FORCE_SYNC by forcing an attribute
revalidation, and AT_STATX_DONT_SYNC by returning cached attributes
only.

Use the mask to optimise away server revalidation for attributes
that are not being requested by the user.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

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This commit is contained in:

Trond Myklebust 2018-01-04 17:46:09 -05:00

parent 8634ef5e05

commit 9ccee940bd

1 changed files with 39 additions and 13 deletions

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48

fs/nfs/inode.c

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