Diffusion FreeBSD src repository 70dc6b2ce314

nfsclient: limit situations when we do unlocked read-ahead by nfsiod
70dc6b2ce314
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Description

nfsclient: limit situations when we do unlocked read-ahead by nfsiod

If there were or are writeable mappings, read-ahead might overwrite the
dirty pages data that is not yet reflected as a delayed write in the
matching buffer state.

Noted by: rmacklem
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week

Details

Provenance

kib	Authored on Jan 1 2024, 10:22 PM

Parents

rG2d33ad48bd37: vtruncbuf: improve the check for meta buffer

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Event Timeline

kib committed rG70dc6b2ce314: nfsclient: limit situations when we do unlocked read-ahead by nfsiod (authored by kib).Jan 5 2024, 4:58 AM

kib mentioned this in rGcbf323cf503b: nfsclient: limit situations when we do unlocked read-ahead by nfsiod.Jan 12 2024, 12:02 PM

kib mentioned this in rGcc5cda1dbaa9: nfsclient: limit situations when we do unlocked read-ahead by nfsiod.

kib mentioned this in rG503f72a828c7: ncl_bioread(): check for vp->v_object before accessing it.Jan 15 2024, 3:22 PM

Changes (1)

Path

Size

sys/

fs/

nfsclient/

nfs_clbio.c

rG70dc6b2ce314

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sys/fs/nfsclient/nfs_clbio.c