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userlandfs: Disable use of the file cache in FUSE for now.

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It still needs more work, it appears.

Fixes #18746.
This commit is contained in:
Augustin Cavalier 2024-01-30 21:43:26 -05:00
parent d385686cbf
commit 41a1732deb
1 changed files with 5 additions and 0 deletions
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5
src/add-ons/kernel/file_systems/userlandfs/server/fuse/FUSEVolume.cpp
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@ -1802,6 +1802,10 @@ FUSEVolume::Open(void* _node, int openMode, void** _cookie)
} }
if (S_ISREG(node->type)) { if (S_ISREG(node->type)) {
// The caching logic does not seem to work quite right with many
// filesystems (e.g. sshfs is one such): read past the end of a file
// returns errors instead of no data, for instance.
#if 0
if (cookie->direct_io || llCookie.direct_io) { if (cookie->direct_io || llCookie.direct_io) {
if (node->cacheCount > 0) { if (node->cacheCount > 0) {
// In some very rare cases, for the same node, the first `open` // In some very rare cases, for the same node, the first `open`
@ -1832,6 +1836,7 @@ FUSEVolume::Open(void* _node, int openMode, void** _cookie)
// the cache from being deleted at close(). // the cache from being deleted at close().
node->cacheCount += 1 + cookie->keep_cache + llCookie.keep_cache; node->cacheCount += 1 + cookie->keep_cache + llCookie.keep_cache;
} }
#endif
} }
cookieDeleter.Detach(); cookieDeleter.Detach();