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| H A D | inode.c | diff d0520df7240f7117226e871453e1b20d12a9614a Mon Oct 26 23:49:13 CDT 2020 Andrea Righi <andrea.righi@canonical.com> ext4: properly check for dirty state in ext4_inode_datasync_dirty()
ext4_inode_datasync_dirty() needs to return 'true' if the inode is
dirty, 'false' otherwise, but the logic seems to be incorrectly changed
by commit aa75f4d3daae ("ext4: main fast-commit commit path").
This introduces a problem with swap files that are always failing to be
activated, showing this error in dmesg:
[ 34.406479] swapon: file is not committed
Simple test case to reproduce the problem:
# fallocate -l 8G swapfile
# chmod 0600 swapfile
# mkswap swapfile
# swapon swapfile
Fix the logic to return the proper state of the inode.
Link: https://lore.kernel.org/lkml/20201024131333.GA32124@xps-13-7390
Fixes: 8016e29f4362 ("ext4: fast commit recovery path")
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201027044915.2553163-1-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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