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fs: remove do_sys_truncate

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do_sys_truncate ist only used to implement ksys_truncate and the native
truncate syscalls.  Merge do_sys_truncate into ksys_truncate and return
int from it as it only returns 0 or negative errnos.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20260323070205.2939118-4-hch@lst.de
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christoph Hellwig
2026-03-23 08:01:46 +01:00
committed by Christian Brauner
parent 0924f6b80d
commit e8767a3134
2 changed files with 5 additions and 11 deletions
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8
fs/open.c
View File

@@ -126,7 +126,7 @@ mnt_drop_write_and_out:
}
EXPORT_SYMBOL_GPL(vfs_truncate);
int do_sys_truncate(const char __user *pathname, loff_t length)
int ksys_truncate(const char __user *pathname, loff_t length)
{
unsigned int lookup_flags = LOOKUP_FOLLOW;
struct path path;
@@ -151,13 +151,13 @@ retry:
SYSCALL_DEFINE2(truncate, const char __user *, path, long, length)
{
return do_sys_truncate(path, length);
return ksys_truncate(path, length);
}
#ifdef CONFIG_COMPAT
COMPAT_SYSCALL_DEFINE2(truncate, const char __user *, path, compat_off_t, length)
{
return do_sys_truncate(path, length);
return ksys_truncate(path, length);
}
#endif
@@ -222,7 +222,7 @@ COMPAT_SYSCALL_DEFINE2(ftruncate, unsigned int, fd, compat_off_t, length)
#if BITS_PER_LONG == 32
SYSCALL_DEFINE2(truncate64, const char __user *, path, loff_t, length)
{
return do_sys_truncate(path, length);
return ksys_truncate(path, length);
}
SYSCALL_DEFINE2(ftruncate64, unsigned int, fd, loff_t, length)

8
include/linux/syscalls.h
View File

@@ -1285,13 +1285,7 @@ static inline long ksys_lchown(const char __user *filename, uid_t user,
#define FTRUNCATE_LFS (1u << 0) /* allow truncating > 32-bit */
int ksys_ftruncate(unsigned int fd, loff_t length, unsigned int flags);
int do_sys_truncate(const char __user *pathname, loff_t length);
static inline long ksys_truncate(const char __user *pathname, loff_t length)
{
return do_sys_truncate(pathname, length);
}
int ksys_truncate(const char __user *pathname, loff_t length);
static inline unsigned int ksys_personality(unsigned int personality)
{