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vfs: mnt_drop_write_file()

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new helper (wrapper around mnt_drop_write()) to be used in pair with
mnt_want_write_file().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2011-12-09 08:06:57 -05:00
parent 8c9379e972
commit 2a79f17e4a
22 changed files with 55 additions and 48 deletions
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4
fs/xattr.c
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@@ -397,7 +397,7 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,
error = mnt_want_write_file(f);
if (!error) {
error = setxattr(dentry, name, value, size, flags);
mnt_drop_write(f->f_path.mnt);
mnt_drop_write_file(f);
}
fput(f);
return error;
@@ -624,7 +624,7 @@ SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)
error = mnt_want_write_file(f);
if (!error) {
error = removexattr(dentry, name);
mnt_drop_write(f->f_path.mnt);
mnt_drop_write_file(f);
}
fput(f);
return error;