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fs: sort out cosmetic differences between stat funcs and add predicts

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This is a nop, but I did verify asm improves.

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/20250406235806.1637000-1-mjguzik@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Mateusz Guzik 2025-04-07 01:58:04 +02:00 • committed by Christian Brauner
parent 9d36c5145a
commit eaec2cd167
No known key found for this signature in database
GPG key ID: 91C61BC06578DCA2
1 changed files with 20 additions and 15 deletions
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35
fs/stat.c
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@ -241,7 +241,7 @@ int vfs_getattr(const struct path *path, struct kstat *stat,
int retval;
retval = security_inode_getattr(path);
if (retval)
if (unlikely(retval))
return retval;
return vfs_getattr_nosec(path, stat, request_mask, query_flags);
}
@ -421,7 +421,7 @@ SYSCALL_DEFINE2(stat, const char __user *, filename,
int error;
error = vfs_stat(filename, &stat);
if (error)
if (unlikely(error))
return error;
return cp_old_stat(&stat, statbuf);
@ -434,7 +434,7 @@ SYSCALL_DEFINE2(lstat, const char __user *, filename,
int error;
error = vfs_lstat(filename, &stat);
if (error)
if (unlikely(error))
return error;
return cp_old_stat(&stat, statbuf);
@ -443,12 +443,13 @@ SYSCALL_DEFINE2(lstat, const char __user *, filename,
SYSCALL_DEFINE2(fstat, unsigned int, fd, struct __old_kernel_stat __user *, statbuf)
{
struct kstat stat;
int error = vfs_fstat(fd, &stat);
int error;
if (!error)
error = cp_old_stat(&stat, statbuf);
error = vfs_fstat(fd, &stat);
if (unlikely(error))
return error;
return error;
return cp_old_stat(&stat, statbuf);
}
#endif /* __ARCH_WANT_OLD_STAT */
@ -502,10 +503,12 @@ SYSCALL_DEFINE2(newstat, const char __user *, filename,
struct stat __user *, statbuf)
{
struct kstat stat;
int error = vfs_stat(filename, &stat);
int error;
if (error)
error = vfs_stat(filename, &stat);
if (unlikely(error))
return error;
return cp_new_stat(&stat, statbuf);
}
@ -516,7 +519,7 @@ SYSCALL_DEFINE2(newlstat, const char __user *, filename,
int error;
error = vfs_lstat(filename, &stat);
if (error)
if (unlikely(error))
return error;
return cp_new_stat(&stat, statbuf);
@ -530,8 +533,9 @@ SYSCALL_DEFINE4(newfstatat, int, dfd, const char __user *, filename,
int error;
error = vfs_fstatat(dfd, filename, &stat, flag);
if (error)
if (unlikely(error))
return error;
return cp_new_stat(&stat, statbuf);
}
#endif
@ -539,12 +543,13 @@ SYSCALL_DEFINE4(newfstatat, int, dfd, const char __user *, filename,
SYSCALL_DEFINE2(newfstat, unsigned int, fd, struct stat __user *, statbuf)
{
struct kstat stat;
int error = vfs_fstat(fd, &stat);
int error;
if (!error)
error = cp_new_stat(&stat, statbuf);
error = vfs_fstat(fd, &stat);
if (unlikely(error))
return error;
return error;
return cp_new_stat(&stat, statbuf);
}
#endif