c20c7992a0
This option is similar to fuse(8) kernel_cache
Verified using vmtouch.
Without -kernel_cache:
$ dd if=/dev/zero of=foo bs=1M count=10 ; vmtouch -t foo ; vmtouch foo
10+0 records in
10+0 records out
10485760 bytes (10 MB, 10 MiB) copied, 0,0242321 s, 433 MB/s
Files: 1
Directories: 0
Touched Pages: 2560 (10M)
Elapsed: 0.011159 seconds
Files: 1
Directories: 0
Resident Pages: 0/2560 0/10M 0%
Elapsed: 0.000993 seconds
With -kernel_cache:
$ dd if=/dev/zero of=foo bs=1M count=10 ; vmtouch -t foo ; vmtouch foo
10+0 records in
10+0 records out
10485760 bytes (10 MB, 10 MiB) copied, 0,0244015 s, 430 MB/s
Files: 1
Directories: 0
Touched Pages: 2560 (10M)
Elapsed: 0.011564 seconds
Files: 1
Directories: 0
Resident Pages: 2560/2560 10M/10M 100%
Elapsed: 0.000369 seconds
50 lines
2.0 KiB
Go
50 lines
2.0 KiB
Go
package fusefrontend
|
|
|
|
import (
|
|
"github.com/hanwen/go-fuse/v2/fuse"
|
|
)
|
|
|
|
// Args is a container for arguments that are passed from main() to fusefrontend
|
|
type Args struct {
|
|
// Cipherdir is the backing storage directory (absolute path).
|
|
// For reverse mode, Cipherdir actually contains *plaintext* files.
|
|
Cipherdir string
|
|
PlaintextNames bool
|
|
LongNames bool
|
|
// Should we chown a file after it has been created?
|
|
// This only makes sense if (1) allow_other is set and (2) we run as root.
|
|
PreserveOwner bool
|
|
// Should we force ownership to be presented with a given user and group?
|
|
// This only makes sense if allow_other is set. In *most* cases, it also
|
|
// only makes sense with PreserveOwner set, but can also make sense without
|
|
// PreserveOwner if the underlying filesystem acting as backing store
|
|
// enforces ownership itself.
|
|
ForceOwner *fuse.Owner
|
|
// ConfigCustom is true when the user select a non-default config file
|
|
// location. If it is false, reverse mode maps ".gocryptfs.reverse.conf"
|
|
// to "gocryptfs.conf" in the plaintext dir.
|
|
ConfigCustom bool
|
|
// NoPrealloc disables automatic preallocation before writing
|
|
NoPrealloc bool
|
|
// Try to serialize read operations, "-serialize_reads"
|
|
SerializeReads bool
|
|
// Force decode even if integrity check fails (openSSL only)
|
|
ForceDecode bool
|
|
// Exclude is a list of paths to make inaccessible, starting match at
|
|
// the filesystem root
|
|
Exclude []string
|
|
// ExcludeWildcards is a list of paths to make inaccessible, matched
|
|
// anywhere, and supporting wildcards
|
|
ExcludeWildcard []string
|
|
// ExcludeFrom is a list of files from which to read exclusion patterns
|
|
// (with wildcard syntax)
|
|
ExcludeFrom []string
|
|
// Suid is true if the filesystem has been mounted with the "-suid" flag.
|
|
// If it is false, we can ignore the GETXATTR "security.capability" calls,
|
|
// which are a performance problem for writes. See
|
|
// https://github.com/rfjakob/gocryptfs/issues/515 for details.
|
|
Suid bool
|
|
// Enable the FUSE kernel_cache option
|
|
KernelCache bool
|
|
}
|