The patch titled
preadv/pwritev: switch compat readv/preadv/writev/pwritev from fget to
fget_light
has been added to the -mm tree. Its filename is
preadv-pwritev-switch-compat-readv-preadv-writev-pwritev-from-fget-to-fget_light.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: preadv/pwritev: switch compat readv/preadv/writev/pwritev from fget to
fget_light
From: Gerd Hoffmann <[email protected]>
Signed-off-by: Gerd Hoffmann <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Al Viro <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Cc: Ralf Baechle <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
fs/compat.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff -puN
fs/compat.c~preadv-pwritev-switch-compat-readv-preadv-writev-pwritev-from-fget-to-fget_light
fs/compat.c
---
a/fs/compat.c~preadv-pwritev-switch-compat-readv-preadv-writev-pwritev-from-fget-to-fget_light
+++ a/fs/compat.c
@@ -1194,13 +1194,14 @@ compat_sys_readv(unsigned long fd, const
unsigned long vlen)
{
struct file *file;
+ int fput_needed;
ssize_t ret;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
return -EBADF;
ret = compat_readv(file, vec, vlen, &file->f_pos);
- fput(file);
+ fput_light(file, fput_needed);
return ret;
}
@@ -1210,15 +1211,16 @@ compat_sys_preadv(unsigned long fd, cons
{
loff_t pos = ((loff_t)pos_high << 32) | pos_low;
struct file *file;
+ int fput_needed;
ssize_t ret;
if (pos < 0)
return -EINVAL;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
return -EBADF;
ret = compat_readv(file, vec, vlen, &pos);
- fput(file);
+ fput_light(file, fput_needed);
return ret;
}
@@ -1249,13 +1251,14 @@ compat_sys_writev(unsigned long fd, cons
unsigned long vlen)
{
struct file *file;
+ int fput_needed;
ssize_t ret;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
return -EBADF;
ret = compat_writev(file, vec, vlen, &file->f_pos);
- fput(file);
+ fput_light(file, fput_needed);
return ret;
}
@@ -1265,15 +1268,16 @@ compat_sys_pwritev(unsigned long fd, con
{
loff_t pos = ((loff_t)pos_high << 32) | pos_low;
struct file *file;
+ int fput_needed;
ssize_t ret;
if (pos < 0)
return -EINVAL;
- file = fget(fd);
+ file = fget_light(fd, &fput_needed);
if (!file)
return -EBADF;
ret = compat_writev(file, vec, vlen, &pos);
- fput(file);
+ fput_light(file, fput_needed);
return ret;
}
_
Patches currently in -mm which might be from [email protected] are
linux-next.patch
preadv-pwritev-create-compat_readv.patch
preadv-pwritev-create-compat_writev.patch
preadv-pwritev-add-preadv-and-pwritev-system-calls.patch
preadv-pwritev-mips-add-preadv2-and-pwritev2-syscalls.patch
preadv-pwritev-switch-compat-readv-preadv-writev-pwritev-from-fget-to-fget_light.patch
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