a3478c0747
In torvalds/linux@a528d35, there are changes to the getattr family of functions, struct kstat, and the interface of inode_operations .getattr. The inode_operations .getattr and simple_getattr() interface changed to: int (*getattr) (const struct path *, struct dentry *, struct kstat *, u32 request_mask, unsigned int query_flags) The request_mask argument indicates which field(s) the caller intends to use. Fields the caller has not specified via request_mask may be set in the returned struct anyway, but their values may be approximate. The query_flags argument indicates whether the filesystem must update the attributes from the backing store. Currently both fields are ignored. It is possible that getattr-related functions within zfs could be optimized based on the request_mask. struct kstat includes new fields: u32 result_mask; /* What fields the user got */ u64 attributes; /* See STATX_ATTR_* flags */ struct timespec btime; /* File creation time */ Fields attribute and btime are cleared; the result_mask reflects this. These appear to be optional based on simple_getattr() and vfs_getattr() within the kernel, which take the same approach. Reviewed-by: Chunwei Chen <david.chen@osnexus.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Olaf Faaland <faaland1@llnl.gov> Closes #5875
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