From: "Darrick J. Wong" <djwong@kernel.org>
To: Chandan Babu R <chandanrlinux@gmail.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH V2 03/12] xfs: Introduce xfs_iext_max() helper
Date: Tue, 27 Jul 2021 14:58:22 -0700 [thread overview]
Message-ID: <20210727215822.GL559212@magnolia> (raw)
In-Reply-To: <20210726114541.24898-4-chandanrlinux@gmail.com>
On Mon, Jul 26, 2021 at 05:15:32PM +0530, Chandan Babu R wrote:
> xfs_iext_max() returns the maximum number of extents possible for one of
> data, cow or attribute fork. This helper will be extended further in a
> future commit when maximum extent counts associated with data/attribute
> forks are increased.
>
> Signed-off-by: Chandan Babu R <chandanrlinux@gmail.com>
> ---
> fs/xfs/libxfs/xfs_bmap.c | 9 ++++-----
> fs/xfs/libxfs/xfs_inode_buf.c | 8 +++-----
> fs/xfs/libxfs/xfs_inode_fork.c | 6 +++---
> fs/xfs/libxfs/xfs_inode_fork.h | 8 ++++++++
> fs/xfs/scrub/inode_repair.c | 2 +-
> 5 files changed, 19 insertions(+), 14 deletions(-)
>
<snip>
> diff --git a/fs/xfs/libxfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h
> index cf82be263b48..1eda2163603e 100644
> --- a/fs/xfs/libxfs/xfs_inode_fork.h
> +++ b/fs/xfs/libxfs/xfs_inode_fork.h
> @@ -133,6 +133,14 @@ static inline int8_t xfs_ifork_format(struct xfs_ifork *ifp)
> return ifp->if_format;
> }
>
> +static inline xfs_extnum_t xfs_iext_max(struct xfs_mount *mp, int whichfork)
xfs_iext_max_nextents() to go with the constants? "max" on its own is a
little vague. I /really/ like this getting cleaned up finally though.
> +{
> + if (whichfork == XFS_DATA_FORK || whichfork == XFS_COW_FORK)
> + return XFS_IFORK_EXTCNT_MAXS32;
> + else
> + return XFS_IFORK_EXTCNT_MAXS16;
No need for the 'else'.
--D
> +}
> +
> struct xfs_ifork *xfs_ifork_alloc(enum xfs_dinode_fmt format,
> xfs_extnum_t nextents);
> struct xfs_ifork *xfs_iext_state_to_fork(struct xfs_inode *ip, int state);
> diff --git a/fs/xfs/scrub/inode_repair.c b/fs/xfs/scrub/inode_repair.c
> index c44f8d06939b..a44d7b48c374 100644
> --- a/fs/xfs/scrub/inode_repair.c
> +++ b/fs/xfs/scrub/inode_repair.c
> @@ -1198,7 +1198,7 @@ xrep_inode_blockcounts(
> return error;
> if (count >= sc->mp->m_sb.sb_dblocks)
> return -EFSCORRUPTED;
> - if (nextents >= XFS_IFORK_EXTCNT_MAXS16)
> + if (nextents >= xfs_iext_max(sc->mp, XFS_ATTR_FORK))
> return -EFSCORRUPTED;
> ifp->if_nextents = nextents;
> } else {
> --
> 2.30.2
>
next prev parent reply other threads:[~2021-07-27 21:58 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-26 11:45 [PATCH V2 00/12] xfs: Extend per-inode extent counters Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 01/12] xfs: Move extent count limits to xfs_format.h Chandan Babu R
2021-07-26 18:00 ` Darrick J. Wong
2021-07-27 8:07 ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 02/12] xfs: Rename MAXEXTNUM, MAXAEXTNUM to XFS_IFORK_EXTCNT_MAXS32, XFS_IFORK_EXTCNT_MAXS16 Chandan Babu R
2021-07-27 21:56 ` Darrick J. Wong
2021-07-27 22:03 ` Darrick J. Wong
2021-07-28 3:15 ` Chandan Babu R
2021-08-23 4:18 ` Chandan Babu R
2021-08-23 7:17 ` Chandan Babu R
2021-08-23 18:16 ` Darrick J. Wong
2021-07-26 11:45 ` [PATCH V2 03/12] xfs: Introduce xfs_iext_max() helper Chandan Babu R
2021-07-27 21:58 ` Darrick J. Wong [this message]
2021-07-28 3:17 ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 04/12] xfs: Use xfs_extnum_t instead of basic data types Chandan Babu R
2021-07-27 21:59 ` Darrick J. Wong
2021-07-28 3:38 ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 05/12] xfs: Introduce xfs_dfork_nextents() helper Chandan Babu R
2021-07-27 22:10 ` Darrick J. Wong
2021-07-28 4:06 ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 06/12] xfs: xfs_dfork_nextents: Return extent count via an out argument Chandan Babu R
2021-07-27 22:22 ` Darrick J. Wong
2021-07-28 4:21 ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 07/12] xfs: Rename inode's extent counter fields based on their width Chandan Babu R
2021-07-27 22:50 ` Darrick J. Wong
2021-07-28 5:48 ` Chandan Babu R
2021-07-28 19:04 ` Darrick J. Wong
2021-07-26 11:45 ` [PATCH V2 08/12] xfs: Promote xfs_extnum_t and xfs_aextnum_t to 64 and 32-bits respectively Chandan Babu R
2021-07-27 22:29 ` Darrick J. Wong
2021-07-26 11:45 ` [PATCH V2 09/12] xfs: Rename XFS_IOC_BULKSTAT to XFS_IOC_BULKSTAT_V5 Chandan Babu R
2021-07-27 22:54 ` Darrick J. Wong
2021-07-27 23:00 ` Darrick J. Wong
2021-07-27 23:17 ` Dave Chinner
2021-07-28 6:56 ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 10/12] xfs: Enable bulkstat ioctl to support 64-bit extent counters Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 11/12] xfs: Extend per-inode extent counter widths Chandan Babu R
2021-07-27 23:09 ` Darrick J. Wong
2021-07-28 7:17 ` Chandan Babu R
2021-07-26 11:45 ` [PATCH V2 12/12] xfs: Error tag to test if v5 bulkstat skips inodes with large extent count Chandan Babu R
2021-07-27 23:10 ` Darrick J. Wong
2021-07-28 7:23 ` Chandan Babu R
2021-07-28 7:38 ` Chandan Babu R
2021-07-28 19:06 ` Darrick J. Wong
2021-07-28 21:27 ` [PATCH V2 00/12] xfs: Extend per-inode extent counters Darrick J. Wong
2021-07-29 6:40 ` Chandan Babu R
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