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H A D | ioctl.c | 2e538403 Sun Jun 09 20:41:41 CDT 2019 Darrick J. Wong <darrick.wong@oracle.com> ext4: don't allow any modifications to an immutable file
Don't allow any modifications to a file that's marked immutable, which means that we have to flush all the writable pages to make the readonly and we have to check the setattr/setflags parameters more closely.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org 2e538403 Sun Jun 09 20:41:41 CDT 2019 Darrick J. Wong <darrick.wong@oracle.com> ext4: don't allow any modifications to an immutable file Don't allow any modifications to a file that's marked immutable, which means that we have to flush all the writable pages to make the readonly and we have to check the setattr/setflags parameters more closely. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org
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