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docs: filesystems: vfs: correct sync_mode flag names

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Change the nonexistent flag names WBC_SYNC_ALL and WBC_SYNC_NONE to
WB_SYNC_ALL and WB_SYNC_NONE, respectively, as used in the code with
wbc->sync_mode.

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>

Link: https://lore.kernel.org/r/1595791341-13209-1-git-send-email-Julia.Lawall@inria.fr
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Julia Lawall 2020-07-26 21:22:21 +02:00 committed by Jonathan Corbet
parent 286b7e24ae
commit e9b2f15b85
1 changed files with 2 additions and 2 deletions
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4
Documentation/filesystems/vfs.rst
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@ -766,9 +766,9 @@ cache in your filesystem. The following members are defined:
``writepages``
called by the VM to write out pages associated with the
address_space object. If wbc->sync_mode is WBC_SYNC_ALL, then
address_space object. If wbc->sync_mode is WB_SYNC_ALL, then
the writeback_control will specify a range of pages that must be
written out. If it is WBC_SYNC_NONE, then a nr_to_write is
written out. If it is WB_SYNC_NONE, then a nr_to_write is
given and that many pages should be written if possible. If no
->writepages is given, then mpage_writepages is used instead.
This will choose pages from the address space that are tagged as