diff options
author | Ronnie Sahlberg <[email protected]> | 2022-09-20 14:32:02 +1000 |
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committer | Steve French <[email protected]> | 2022-09-25 17:31:28 -0500 |
commit | bb44c31cdcac107344dd2fcc3bd0504a53575c51 (patch) | |
tree | 0efbc938d53637432437bbe337da75024b1c1722 /lib/test_fortify/write_overflow-strncpy-src.c | |
parent | 09a1f9a168ae1f69f701689429871793174417d2 (diff) |
cifs: destage dirty pages before re-reading them for cache=none
This is the opposite case of kernel bugzilla 216301.
If we mmap a file using cache=none and then proceed to update the mmapped
area these updates are not reflected in a later pread() of that part of the
file.
To fix this we must first destage any dirty pages in the range before
we allow the pread() to proceed.
Cc: [email protected]
Reviewed-by: Paulo Alcantara (SUSE) <[email protected]>
Reviewed-by: Enzo Matsumiya <[email protected]>
Signed-off-by: Ronnie Sahlberg <[email protected]>
Signed-off-by: Steve French <[email protected]>
Diffstat (limited to 'lib/test_fortify/write_overflow-strncpy-src.c')
0 files changed, 0 insertions, 0 deletions