diff options
| -rw-r--r-- | block/genhd.c | 2 | ||||
| -rw-r--r-- | drivers/block/floppy.c | 2 | ||||
| -rw-r--r-- | fs/block_dev.c | 12 | ||||
| -rw-r--r-- | fs/inode.c | 9 | ||||
| -rw-r--r-- | fs/internal.h | 2 | ||||
| -rw-r--r-- | include/linux/fs.h | 2 |
6 files changed, 18 insertions, 11 deletions
diff --git a/block/genhd.c b/block/genhd.c index 0c55eae5975..fc5781ee483 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -1285,7 +1285,7 @@ int invalidate_partition(struct gendisk *disk, int partno) struct block_device *bdev = bdget_disk(disk, partno); if (bdev) { fsync_bdev(bdev); - res = __invalidate_device(bdev); + res = __invalidate_device(bdev, true); bdput(bdev); } return res; diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 3951020e494..59294dc5f4d 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3276,7 +3276,7 @@ static int set_geometry(unsigned int cmd, struct floppy_struct *g, struct block_device *bdev = opened_bdev[cnt]; if (!bdev || ITYPE(drive_state[cnt].fd_device) != type) continue; - __invalidate_device(bdev); + __invalidate_device(bdev, true); } mutex_unlock(&open_lock); } else { diff --git a/fs/block_dev.c b/fs/block_dev.c index 4230252fd68..be84b702b17 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1217,9 +1217,9 @@ EXPORT_SYMBOL(open_by_devnum); * when a disk has been changed -- either by a media change or online * resize. */ -static void flush_disk(struct block_device *bdev) +static void flush_disk(struct block_device *bdev, bool kill_dirty) { - if (__invalidate_device(bdev)) { + if (__invalidate_device(bdev, kill_dirty)) { char name[BDEVNAME_SIZE] = ""; if (bdev->bd_disk) @@ -1256,7 +1256,7 @@ void check_disk_size_change(struct gendisk *disk, struct block_device *bdev) "%s: detected capacity change from %lld to %lld\n", name, bdev_size, disk_size); i_size_write(bdev->bd_inode, disk_size); - flush_disk(bdev); + flush_disk(bdev, false); } } EXPORT_SYMBOL(check_disk_size_change); @@ -1308,7 +1308,7 @@ int check_disk_change(struct block_device *bdev) if (!bdops->media_changed(bdev->bd_disk)) return 0; - flush_disk(bdev); + flush_disk(bdev, true); if (bdops->revalidate_disk) bdops->revalidate_disk(bdev->bd_disk); return 1; @@ -1776,7 +1776,7 @@ void close_bdev_exclusive(struct block_device *bdev, fmode_t mode) EXPORT_SYMBOL(close_bdev_exclusive); -int __invalidate_device(struct block_device *bdev) +int __invalidate_device(struct block_device *bdev, bool kill_dirty) { struct super_block *sb = get_super(bdev); int res = 0; @@ -1789,7 +1789,7 @@ int __invalidate_device(struct block_device *bdev) * hold). */ shrink_dcache_sb(sb); - res = invalidate_inodes(sb); + res = invalidate_inodes(sb, kill_dirty); drop_super(sb); } invalidate_bdev(bdev); diff --git a/fs/inode.c b/fs/inode.c index 9fcc6189461..e45734b9637 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -532,11 +532,14 @@ void evict_inodes(struct super_block *sb) /** * invalidate_inodes - attempt to free all inodes on a superblock * @sb: superblock to operate on + * @kill_dirty: flag to guide handling of dirty inodes * * Attempts to free all inodes for a given superblock. If there were any * busy inodes return a non-zero value, else zero. + * If @kill_dirty is set, discard dirty inodes too, otherwise treat + * them as busy. */ -int invalidate_inodes(struct super_block *sb) +int invalidate_inodes(struct super_block *sb, bool kill_dirty) { int busy = 0; struct inode *inode, *next; @@ -548,6 +551,10 @@ int invalidate_inodes(struct super_block *sb) list_for_each_entry_safe(inode, next, &sb->s_inodes, i_sb_list) { if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) continue; + if (inode->i_state & I_DIRTY && !kill_dirty) { + busy = 1; + continue; + } if (atomic_read(&inode->i_count)) { busy = 1; continue; diff --git a/fs/internal.h b/fs/internal.h index e43b9a4dbf4..5e3a1aa3c45 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -107,4 +107,4 @@ extern void release_open_intent(struct nameidata *); */ extern int get_nr_dirty_inodes(void); extern void evict_inodes(struct super_block *); -extern int invalidate_inodes(struct super_block *); +extern int invalidate_inodes(struct super_block *, bool); diff --git a/include/linux/fs.h b/include/linux/fs.h index bd94dbeae5d..0570a28b803 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2118,7 +2118,7 @@ extern void check_disk_size_change(struct gendisk *disk, struct block_device *bdev); extern int revalidate_disk(struct gendisk *); extern int check_disk_change(struct block_device *); -extern int __invalidate_device(struct block_device *); +extern int __invalidate_device(struct block_device *, bool); extern int invalidate_partition(struct gendisk *, int); #endif unsigned long invalidate_mapping_pages(struct address_space *mapping, |