Merge master.kernel.org:/home/rmk/linux-2.6-arm

[pandora-kernel.git] / fs / fcntl.c

diff --git a/fs/fcntl.c b/fs/fcntl.c
index 863b46e..2a24791 100644 (file)
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -9,6 +9,7 @@
 #include <linux/mm.h>
 #include <linux/fs.h>
 #include <linux/file.h>
+#include <linux/capability.h>
 #include <linux/dnotify.h>
 #include <linux/smp_lock.h>
 #include <linux/slab.h>
@@ -35,7 +36,7 @@ void fastcall set_close_on_exec(unsigned int fd, int flag)
        spin_unlock(&files->file_lock);
 }
 
-static inline int get_close_on_exec(unsigned int fd)
+static int get_close_on_exec(unsigned int fd)
 {
        struct files_struct *files = current->files;
        struct fdtable *fdt;
@@ -72,8 +73,8 @@ repeat:
         * orig_start..fdt->next_fd
         */
        start = orig_start;
-       if (start < fdt->next_fd)
-               start = fdt->next_fd;
+       if (start < files->next_fd)
+               start = files->next_fd;
 
        newfd = start;
        if (start < fdt->max_fdset) {
@@ -101,9 +102,8 @@ repeat:
         * we reacquire the fdtable pointer and use it while holding
         * the lock, no one can free it during that time.
         */
-       fdt = files_fdtable(files);
-       if (start <= fdt->next_fd)
-               fdt->next_fd = newfd + 1;
+       if (start <= files->next_fd)
+               files->next_fd = newfd + 1;
 
        error = newfd;
        
@@ -207,8 +207,11 @@ static int setfl(int fd, struct file * filp, unsigned long arg)
        struct inode * inode = filp->f_dentry->d_inode;
        int error = 0;
 
-       /* O_APPEND cannot be cleared if the file is marked as append-only */
-       if (!(arg & O_APPEND) && IS_APPEND(inode))
+       /*
+        * O_APPEND cannot be cleared if the file is marked as append-only
+        * and the file is open for write.
+        */
+       if (((arg ^ filp->f_flags) & O_APPEND) && IS_APPEND(inode))
                return -EPERM;
 
        /* O_NOATIME can only be set by the owner or superuser */
@@ -409,7 +412,7 @@ out:
 
 /* Table to convert sigio signal codes into poll band bitmaps */
 
-static long band_table[NSIGPOLL] = {
+static const long band_table[NSIGPOLL] = {
        POLLIN | POLLRDNORM,                    /* POLL_IN */
        POLLOUT | POLLWRNORM | POLLWRBAND,      /* POLL_OUT */
        POLLIN | POLLRDNORM | POLLMSG,          /* POLL_MSG */
@@ -457,11 +460,11 @@ static void send_sigio_to_task(struct task_struct *p,
                        else
                                si.si_band = band_table[reason - POLL_IN];
                        si.si_fd    = fd;
-                       if (!send_group_sig_info(fown->signum, &si, p))
+                       if (!group_send_sig_info(fown->signum, &si, p))
                                break;
                /* fall-through: fall back on the old plain SIGIO signal */
                case 0:
-                       send_group_sig_info(SIGIO, SEND_SIG_PRIV, p);
+                       group_send_sig_info(SIGIO, SEND_SIG_PRIV, p);
        }
 }
 
@@ -495,7 +498,7 @@ static void send_sigurg_to_task(struct task_struct *p,
                                 struct fown_struct *fown)
 {
        if (sigio_perm(p, fown, SIGURG))
-               send_group_sig_info(SIGURG, SEND_SIG_PRIV, p);
+               group_send_sig_info(SIGURG, SEND_SIG_PRIV, p);
 }
 
 int send_sigurg(struct fown_struct *fown)
@@ -528,7 +531,7 @@ int send_sigurg(struct fown_struct *fown)
 }
 
 static DEFINE_RWLOCK(fasync_lock);
-static kmem_cache_t *fasync_cache;
+static kmem_cache_t *fasync_cache __read_mostly;
 
 /*
  * fasync_helper() is used by some character device drivers (mainly mice)