Added and documented StatfsOp.
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@ -19,6 +19,43 @@ import (
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"time"
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"time"
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)
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)
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////////////////////////////////////////////////////////////////////////
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// File system
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////////////////////////////////////////////////////////////////////////
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// Return statistics about the file system's capacity and available resources.
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//
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// Called by statfs(2) and friends:
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//
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// * (https://goo.gl/Xi1lDr) sys_statfs called user_statfs, which calls
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// vfs_statfs, which calls statfs_by_dentry.
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//
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// * (https://goo.gl/VAIOwU) statfs_by_dentry calls the superblock
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// operation statfs, which in our case points at
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// fuse_statfs (cf. https://goo.gl/L7BTM3)
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//
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// * (https://goo.gl/Zn7Sgl) fuse_statfs sends a statfs op, then uses
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// convert_fuse_statfs to convert the response in a straightforward
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// manner.
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//
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// Note that this op is particularly important on OS X: if you don't implement
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// it, the file system will not successfully mount. If you don't model a sane
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// amount of free space, the Finder will refuse to copy files into the file
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// system.
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type StatfsOp struct {
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// The size of the file system's blocks, and how many there are in total.
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BlockSize uint32
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Blocks uint64
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// The number of blocks free, and how many are available to non-root users.
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BlocksFree uint64
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BlocksAvailable uint64
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// The total number of inodes in the file system, and how many remain free.
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Inodes uint64
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InodesFree uint64
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}
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////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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// Inodes
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// Inodes
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////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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