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| author | David Howells <[email protected]> | 2024-01-05 22:03:58 +0000 |
|---|---|---|
| committer | David Howells <[email protected]> | 2024-01-05 23:13:48 +0000 |
| commit | 807c6d09cc99cbdf9933edfadcbaa8f0b856848d (patch) | |
| tree | 4ac3fb1575ab147903339b51fd201f401fc63ccc /drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | |
| parent | netfs: Fix interaction between write-streaming and cachefiles culling (diff) | |
| download | kernel-807c6d09cc99cbdf9933edfadcbaa8f0b856848d.tar.gz kernel-807c6d09cc99cbdf9933edfadcbaa8f0b856848d.zip | |
netfs: Fix the loop that unmarks folios after writing to the cache
In the loop in netfs_rreq_unmark_after_write() that removes the PG_fscache
from folios after they've been written to the cache, as soon as we remove
the mark from a multipage folio, it can get split - and then we might see a
fragment of folio again.
Guard against this by advancing the 'unlocked' tracker to the index of the
last page in the folio to avoid a double removal of the PG_fscache mark.
Reported-by: Marc Dionne <[email protected]>
Signed-off-by: David Howells <[email protected]>
cc: Matthew Wilcox <[email protected]>
cc: [email protected]
cc: [email protected]
cc: [email protected]
cc: [email protected]
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
0 files changed, 0 insertions, 0 deletions