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| H A D | fuse.h | diff 6433b8998a21dc597002731c4ceb4144e856edc4 Fri Sep 28 16:43:23 CEST 2018 Miklos Szeredi <mszeredi@redhat.com> fuse: add FOPEN_CACHE_DIR
Add flag returned by OPENDIR request to allow kernel to cache directory
contents in page cache. The effect of FOPEN_CACHE_DIR is twofold:
a) if not already cached, it writes entries into the cache
b) if already cached, it allows reading entries from the cache
The FOPEN_KEEP_CACHE has the same effect as on regular files: unless this
flag is given the cache is cleared upon completion of open.
So FOPEN_KEEP_CACHE and FOPEN_KEEP_CACHE flags should be used together to
make use of the directory caching facility introduced in the following
patches.
The FUSE_AUTO_INVAL_DATA flag returned in INIT reply also has the same
affect on the directory cache as it has on data cache for regular files.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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