Fix key performance issues in 6.17 with byte range locks - #202

Open

hbirth wants to merge 31 commits into

DDNStorage:redfs-ubuntu-hwe-6.17.0-16.16-24.04.1from

hbirth:redfs-ubuntu-hwe-6.17.0-16.16-24.04.1

Commits on Aug 26, 2026

fuse: refuse a writeback connection whose block is not a page
hbirth
committed
7499e44
fuse: take a DLM read lock for the readahead window
hbirth
committed
8c2ff0e
fuse: give DLM ranges a lifecycle state
hbirth
committed
b774e9f
fuse: make the DLM lock mode part of the range state
hbirth
committed
7444383
fuse: record what the page cache under a DLM range holds
hbirth
committed
83e334c
fuse: record the exact byte range a cached write dirties
hbirth
committed
a4ab6d8
fuse: write back only the bytes a DLM range records as written
hbirth
committed
a259b45
fuse: let a NOTIFY invalidate ask what it has to do
hbirth
committed
ef3f058
fuse: keep a revoked DLM range instead of deleting it
hbirth
committed
1ef5278
fuse: drop the per-inode coherency gate
hbirth
committed
02a9e2a
fuse: read part of a folio without zeroing the rest
hbirth
committed
544bbad
fuse: bound the run a DLM classification covers, including no record
hbirth
committed
3fca830
fuse: leave a partly written folio unfilled instead of reading it
hbirth
committed
f88ac89
fuse: stop naming bytes the record has already handed over
hbirth
committed
bdc02ee
fuse: bound the re-request of a grant a revoke killed in flight
hbirth
committed
1243863
fuse: free the DLM ranges a truncate emptied
hbirth
committed
c7d382e
fuse: wait out the writeback a NOTIFY invalidate starts
hbirth
committed
c9fab6c
fuse: flush the page cache before re-routing to direct IO
hbirth
committed
53140d0
fuse: say byte offset where the record means byte offset
hbirth
committed
2480565
fuse: split DLM ranges at the bounds of a recorded grant

Allison Henderson
authored and
hbirth
committed
d474c45
fuse: drop the DLM ranges a truncate's invalidate empties

Allison Henderson
authored and
hbirth
committed
1bf503a
fuse: forget the DLM record an O_TRUNC open discards

Allison Henderson
authored and
hbirth
committed
01722bf
fuse: drop the DLM ranges a punch hole empties

Allison Henderson
authored and
hbirth
committed
94d198f
fuse: drop the DLM ranges copy_file_range invalidates

Allison Henderson
authored and
hbirth
committed
66894f6
fuse: keep the local size while the tail is dirty

Allison Henderson
authored and
hbirth
committed
acec517
fuse: drop the DLM ranges an attribute change invalidates

Allison Henderson
authored and
hbirth
committed
bb6f5f9
fuse: report an error from a DLM buffered write that wrote nothing
hbirth
committed
6752d39
fuse: drop the deferred fill of a partly written folio
hbirth
committed
48908a6
fuse: hold the grant for writeback instead of classifying the run
hbirth
committed
d75a174
fuse: drop the content bound from the DLM record
hbirth
committed
9bb6233
fuse: do not hand O_APPEND to the server under the writeback cache
Allison Henderson
committed
b387e08

Navigation Menu

Uh oh!

Fix key performance issues in 6.17 with byte range locks - #202

Fix key performance issues in 6.17 with byte range locks#202
hbirth wants to merge 31 commits into
DDNStorage:redfs-ubuntu-hwe-6.17.0-16.16-24.04.1from
hbirth:redfs-ubuntu-hwe-6.17.0-16.16-24.04.1

Commits on Aug 26, 2026

fuse: refuse a writeback connection whose block is not a page

fuse: take a DLM read lock for the readahead window

fuse: give DLM ranges a lifecycle state

fuse: make the DLM lock mode part of the range state

fuse: record what the page cache under a DLM range holds

fuse: record the exact byte range a cached write dirties

fuse: write back only the bytes a DLM range records as written

fuse: let a NOTIFY invalidate ask what it has to do

fuse: keep a revoked DLM range instead of deleting it

fuse: drop the per-inode coherency gate

fuse: read part of a folio without zeroing the rest

fuse: bound the run a DLM classification covers, including no record

fuse: leave a partly written folio unfilled instead of reading it

fuse: stop naming bytes the record has already handed over

fuse: bound the re-request of a grant a revoke killed in flight

fuse: free the DLM ranges a truncate emptied

fuse: wait out the writeback a NOTIFY invalidate starts

fuse: flush the page cache before re-routing to direct IO

fuse: say byte offset where the record means byte offset

fuse: split DLM ranges at the bounds of a recorded grant

fuse: drop the DLM ranges a truncate's invalidate empties

fuse: forget the DLM record an O_TRUNC open discards

fuse: drop the DLM ranges a punch hole empties

fuse: drop the DLM ranges copy_file_range invalidates

fuse: keep the local size while the tail is dirty

fuse: drop the DLM ranges an attribute change invalidates

fuse: report an error from a DLM buffered write that wrote nothing

fuse: drop the deferred fill of a partly written folio

fuse: hold the grant for writeback instead of classifying the run

fuse: drop the content bound from the DLM record

fuse: do not hand O_APPEND to the server under the writeback cache