WebPath walking synchronisation history: Prior to 2.5.10, dcache_lock was acquired in d_lookup (dcache hash lookup) and thus in every component during path look-up. Since 2.5.10 … Web> > dcache. There's just one outlier (depth 11) for the old hash function, > > which seems to be translated to multiple depth 9 entries. The ... > hash function we have 4.5 times more buckets with only 1 object deep so > it scales better …
Pathname lookup — The Linux Kernel documentation
WebJan 1, 2004 · In practice, dcache hash chains are short and renames are slow. If these stalls become a problem, though, it may be necessary to add code to stall renames upon path-walk failure. Another approach being … WebInode-cache hash table entries: 65536 (order: 6, 262144 bytes) Memory: 1007240K / 1048576K available (6144K kernel code, 200K rwdata, 1464K rodata, 1024K init, 230K bss, 24952K reserved, 16384K cma-reserved, 245760K highmem) ... So Dcache mentioned in the earlier discussion is regards to L1 cache of Boot CPU Core. map of east morton west yorkshire
Overview of the Linux Virtual File System — The Linux Kernel …
WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed From: "Tobin C. Harding" To: Andrew Morton , Matthew Wilcox Cc: "Tobin C. Harding" , Roman Gushchin , Alexander Viro , Christoph Hellwig … Webtected the hash table with an individual lock per hash-bucket, and protected per-inode lists (which contain clean/dirty pages) with a per-inode lock. 2dbench is a file server benchmark This design is problematic because it intro-duces another layer of locking to the system, thus increasing the number of lock operations WebIn 2.2.14pre[12] the dcache hash is allocated dynamically at boot (new feature not yet present in 2.3.24). But due to an obviously wrong buggy heuristic the current 2.2.14pre* … map of east memphis