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| author | Joel Granados <joel.granados@kernel.org> | 2025-10-08 16:12:37 +0200 |
|---|---|---|
| committer | Joel Granados <joel.granados@kernel.org> | 2025-11-27 15:45:37 +0100 |
| commit | c5b4c183f7aeb46cd27ddea9dab776655b8d7034 (patch) | |
| tree | 01938313b56d8d580cf6ce8ffc60721677331681 /kernel | |
| parent | 1aa53326e1df68f8e7191053a3fd712449d444cb (diff) | |
sysctl: Allow custom converters from outside sysctl
The new non-static proc_dointvec_conv forwards a custom converter
function to do_proc_dointvec from outside the sysctl scope. Rename the
do_proc_dointvec call points so any future changes to proc_dointvec_conv
are propagated in sysctl.c This is a preparation commit that allows the
integer jiffie converter functions to move out of kernel/sysctl.c.
Signed-off-by: Joel Granados <joel.granados@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sysctl.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 00595b84beac..833ed04f52dc 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1005,6 +1005,14 @@ int proc_doulongvec_ms_jiffies_minmax(const struct ctl_table *table, int dir, lenp, ppos, HZ, 1000l); } +int proc_dointvec_conv(const struct ctl_table *table, int dir, void *buffer, + size_t *lenp, loff_t *ppos, + int (*conv)(bool *negp, unsigned long *u_ptr, int *k_ptr, + int dir, const struct ctl_table *table)) +{ + return do_proc_dointvec(table, dir, buffer, lenp, ppos, conv); +} + /** * proc_dointvec_jiffies - read a vector of integers as seconds * @table: the sysctl table @@ -1023,15 +1031,15 @@ int proc_doulongvec_ms_jiffies_minmax(const struct ctl_table *table, int dir, int proc_dointvec_jiffies(const struct ctl_table *table, int dir, void *buffer, size_t *lenp, loff_t *ppos) { - return do_proc_dointvec(table, dir, buffer, lenp, ppos, - do_proc_int_conv_jiffies); + return proc_dointvec_conv(table, dir, buffer, lenp, ppos, + do_proc_int_conv_jiffies); } int proc_dointvec_ms_jiffies_minmax(const struct ctl_table *table, int dir, void *buffer, size_t *lenp, loff_t *ppos) { - return do_proc_dointvec(table, dir, buffer, lenp, ppos, - do_proc_int_conv_ms_jiffies_minmax); + return proc_dointvec_conv(table, dir, buffer, lenp, ppos, + do_proc_int_conv_ms_jiffies_minmax); } /** @@ -1054,8 +1062,8 @@ int proc_dointvec_userhz_jiffies(const struct ctl_table *table, int dir, { if (SYSCTL_USER_TO_KERN(dir) && USER_HZ < HZ) return -EINVAL; - return do_proc_dointvec(table, dir, buffer, lenp, ppos, - do_proc_int_conv_userhz_jiffies); + return proc_dointvec_conv(table, dir, buffer, lenp, ppos, + do_proc_int_conv_userhz_jiffies); } /** @@ -1076,8 +1084,8 @@ int proc_dointvec_userhz_jiffies(const struct ctl_table *table, int dir, int proc_dointvec_ms_jiffies(const struct ctl_table *table, int dir, void *buffer, size_t *lenp, loff_t *ppos) { - return do_proc_dointvec(table, dir, buffer, lenp, ppos, - do_proc_int_conv_ms_jiffies); + return proc_dointvec_conv(table, dir, buffer, lenp, ppos, + do_proc_int_conv_ms_jiffies); } /** @@ -1307,6 +1315,14 @@ int proc_doulongvec_ms_jiffies_minmax(const struct ctl_table *table, int dir, return -ENOSYS; } +int proc_dointvec_conv(const struct ctl_table *table, int dir, void *buffer, + size_t *lenp, loff_t *ppos, + int (*conv)(bool *negp, unsigned long *u_ptr, int *k_ptr, + int dir, const struct ctl_table *table)) +{ + return -ENOSYS; +} + int proc_do_large_bitmap(const struct ctl_table *table, int dir, void *buffer, size_t *lenp, loff_t *ppos) { |