Age | Commit message (Collapse) | Author |
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The volatile inode numbers that we used before cause "find" to complain and error out.
Virtual inode numbers are derived from their parent file inode number by adding 10^19,
which is hopefully large enough no never cause problems in practice.
If the backing directory contains inode numbers higher than that, stat() on these files
will return EOVERFLOW.
Example directory lising after this change:
$ ls -i
926473 gocryptfs.conf
1000000000000926466 gocryptfs.diriv
944878 gocryptfs.longname.hmZojMqC6ns47eyVxLlH2ailKjN9bxfosi3C-FR8mjA
1000000000000944878 gocryptfs.longname.hmZojMqC6ns47eyVxLlH2ailKjN9bxfosi3C-FR8mjA.name
934408 Tdfbf02CKsTaGVYnAsSypA
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Speeds up the "ls -lR" benchmark from 2.6 seconds to 2.0.
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This prepares the code for the introduction of a path cache.
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This could have caused spurious ENOENT errors.
That it did not cause these errors all the time is interesting
and probably because an earlier readdir would place the entry
in the cache. This masks the bug.
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$ golint ./... | grep -v underscore | grep -v ALL_CAPS
internal/fusefrontend_reverse/rfs.go:52:36: exported func NewFS returns unexported type *fusefrontend_reverse.reverseFS, which can be annoying to use
internal/nametransform/raw64_go1.5.go:10:2: exported const HaveRaw64 should have comment (or a comment on this block) or be unexported
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Close https://github.com/rfjakob/gocryptfs/issues/54
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Also get rid of useless isFiltered function.
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Also pull all the deterministic nonce code into fusefrontend_reverse
to greatly simplify the normal code path.
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After all, is's a virtual file.
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The last patch added functionality for generating gocryptfs.longname.*
files, this patch adds support for mapping them back to the full
filenames.
Note that resolving a long name needs a full readdir. A cache
will be implemented later on to improve performance.
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Introduce a unique per-directory diriv that is generated
by hashing the encrypted directory path.
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...to prevent confusion with the forward variants.
FS -> reverseFS
file -> reverseFile
Also add an incomplete read implementation.
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Compiles but does not do much else.
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