diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-12-04 20:40:55 +0300 |
|---|---|---|
| committer | Chandan Babu R <chandanbabu@kernel.org> | 2023-12-07 12:21:07 +0300 |
| commit | c2c2620de7577db66a859b934715e98e4501e4f4 (patch) | |
| tree | feebb59abfc0a9a07b861e184b7c3bdf14ae1c3b /fs/xfs/xfs_ioctl.c | |
| parent | 64f08b152a3bc171f4651271bfe973ad3d085ab6 (diff) | |
| download | linux-c2c2620de7577db66a859b934715e98e4501e4f4.tar.xz | |
xfs: clean up the XFS_IOC_FSCOUNTS handler
Split XFS_IOC_FSCOUNTS out of the main xfs_file_ioctl function, and
merge the xfs_fs_counts helper into the ioctl handler.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_ioctl.c')
| -rw-r--r-- | fs/xfs/xfs_ioctl.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 7edc1d892f0c..8244210f6786 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -1912,6 +1912,24 @@ xfs_ioctl_getset_resblocks( return 0; } +static int +xfs_ioctl_fs_counts( + struct xfs_mount *mp, + struct xfs_fsop_counts __user *uarg) +{ + struct xfs_fsop_counts out = { + .allocino = percpu_counter_read_positive(&mp->m_icount), + .freeino = percpu_counter_read_positive(&mp->m_ifree), + .freedata = percpu_counter_read_positive(&mp->m_fdblocks) - + xfs_fdblocks_unavailable(mp), + .freertx = percpu_counter_read_positive(&mp->m_frextents), + }; + + if (copy_to_user(uarg, &out, sizeof(out))) + return -EFAULT; + return 0; +} + /* * These long-unused ioctls were removed from the official ioctl API in 5.17, * but retain these definitions so that we can log warnings about them. @@ -2048,15 +2066,8 @@ xfs_file_ioctl( return error; } - case XFS_IOC_FSCOUNTS: { - xfs_fsop_counts_t out; - - xfs_fs_counts(mp, &out); - - if (copy_to_user(arg, &out, sizeof(out))) - return -EFAULT; - return 0; - } + case XFS_IOC_FSCOUNTS: + return xfs_ioctl_fs_counts(mp, arg); case XFS_IOC_SET_RESBLKS: case XFS_IOC_GET_RESBLKS: |