From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Source kernel commit: ccc8e771aa7a80eb047fc263780816ca76dd02a6 Refactor the code that sets the default quota grace period into a helper function so that we can override the ondisk behavior later. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Allison Collins <allison.henderson@xxxxxxxxxx> Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- libxfs/xfs_format.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index afc068944be9..a5bf27afdd44 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -1209,6 +1209,11 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev) * been reached, and therefore no expiration has been set. Therefore, the * ondisk min and max defined here can be used directly to constrain the incore * quota expiration timestamps on a Unix system. + * + * The grace period for each quota type is stored in the root dquot (id = 0) + * and is applied to a non-root dquot when it exceeds the soft or hard limits. + * The length of quota grace periods are unsigned 32-bit quantities measured in + * units of seconds. A value of zero means to use the default period. */ /* @@ -1223,6 +1228,14 @@ static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev) */ #define XFS_DQ_LEGACY_EXPIRY_MAX ((int64_t)U32_MAX) +/* + * Default quota grace periods, ranging from zero (use the compiled defaults) + * to ~136 years. These are applied to a non-root dquot that has exceeded + * either limit. + */ +#define XFS_DQ_GRACE_MIN ((int64_t)0) +#define XFS_DQ_GRACE_MAX ((int64_t)U32_MAX) + /* * This is the main portion of the on-disk representation of quota information * for a user. We pad this with some more expansion room to construct the on