xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Push BKL down into ->remount_fs()

Selaa lähdekoodia 
[xfs, btrfs, capifs, shmem don't need BKL, exempt]

Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Alessio Igor Bogani
2009-05-12 15:10:54 +02:00
committed by Al Viro
vanhempi 4195f73d13
commit 337eb00a2c
18 muutettua tiedostoa jossa 108 lisäystä ja 13 poistoa
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11
fs/ufs/super.c
Näytä tiedosto

@@ -263,6 +263,7 @@ void ufs_panic (struct super_block * sb, const char * function,
struct ufs_super_block_first * usb1;
va_list args;
lock_kernel();
uspi = UFS_SB(sb)->s_uspi;
usb1 = ubh_get_usb_first(uspi);
@@ -1182,7 +1183,8 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
struct ufs_super_block_third * usb3;
unsigned new_mount_opt, ufstype;
unsigned flags;
lock_kernel();
lock_super(sb);
uspi = UFS_SB(sb)->s_uspi;
flags = UFS_SB(sb)->s_flags;
@@ -1198,6 +1200,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
ufs_set_opt (new_mount_opt, ONERROR_LOCK);
if (!ufs_parse_options (data, &new_mount_opt)) {
unlock_super(sb);
unlock_kernel();
return -EINVAL;
}
if (!(new_mount_opt & UFS_MOUNT_UFSTYPE)) {
@@ -1205,12 +1208,14 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
} else if ((new_mount_opt & UFS_MOUNT_UFSTYPE) != ufstype) {
printk("ufstype can't be changed during remount\n");
unlock_super(sb);
unlock_kernel();
return -EINVAL;
}
if ((*mount_flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
UFS_SB(sb)->s_mount_opt = new_mount_opt;
unlock_super(sb);
unlock_kernel();
return 0;
}
@@ -1236,6 +1241,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
printk("ufs was compiled with read-only support, "
"can't be mounted as read-write\n");
unlock_super(sb);
unlock_kernel();
return -EINVAL;
#else
if (ufstype != UFS_MOUNT_UFSTYPE_SUN &&
@@ -1245,11 +1251,13 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
ufstype != UFS_MOUNT_UFSTYPE_UFS2) {
printk("this ufstype is read-only supported\n");
unlock_super(sb);
unlock_kernel();
return -EINVAL;
}
if (!ufs_read_cylinder_structures(sb)) {
printk("failed during remounting\n");
unlock_super(sb);
unlock_kernel();
return -EPERM;
}
sb->s_flags &= ~MS_RDONLY;
@@ -1257,6 +1265,7 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data)
}
UFS_SB(sb)->s_mount_opt = new_mount_opt;
unlock_super(sb);
unlock_kernel();
return 0;
}