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Diffstat (limited to 'fs/fuse/inode.c')
-rw-r--r--fs/fuse/inode.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index ecb869e895ab..7485a41af892 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -289,10 +289,10 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
}
}
- if (attr->blksize != 0)
- inode->i_blkbits = ilog2(attr->blksize);
+ if (attr->blksize)
+ fi->cached_i_blkbits = ilog2(attr->blksize);
else
- inode->i_blkbits = inode->i_sb->s_blocksize_bits;
+ fi->cached_i_blkbits = fc->blkbits;
/*
* Don't set the sticky bit in i_mode, unless we want the VFS
@@ -1209,7 +1209,7 @@ static const struct super_operations fuse_super_operations = {
.free_inode = fuse_free_inode,
.evict_inode = fuse_evict_inode,
.write_inode = fuse_write_inode,
- .drop_inode = generic_delete_inode,
+ .drop_inode = inode_just_drop,
.umount_begin = fuse_umount_begin,
.statfs = fuse_statfs,
.sync_fs = fuse_sync_fs,
@@ -1273,7 +1273,7 @@ static void set_request_timeout(struct fuse_conn *fc, unsigned int timeout)
{
fc->timeout.req_timeout = secs_to_jiffies(timeout);
INIT_DELAYED_WORK(&fc->timeout.work, fuse_check_timeout);
- queue_delayed_work(system_wq, &fc->timeout.work,
+ queue_delayed_work(system_percpu_wq, &fc->timeout.work,
fuse_timeout_timer_freq);
}
@@ -1810,10 +1810,21 @@ int fuse_fill_super_common(struct super_block *sb, struct fuse_fs_context *ctx)
err = -EINVAL;
if (!sb_set_blocksize(sb, ctx->blksize))
goto err;
+ /*
+ * This is a workaround until fuse hooks into iomap for reads.
+ * Use PAGE_SIZE for the blocksize else if the writeback cache
+ * is enabled, buffered writes go through iomap and a read may
+ * overwrite partially written data if blocksize < PAGE_SIZE
+ */
+ fc->blkbits = sb->s_blocksize_bits;
+ if (ctx->blksize != PAGE_SIZE &&
+ !sb_set_blocksize(sb, PAGE_SIZE))
+ goto err;
#endif
} else {
sb->s_blocksize = PAGE_SIZE;
sb->s_blocksize_bits = PAGE_SHIFT;
+ fc->blkbits = sb->s_blocksize_bits;
}
sb->s_subtype = ctx->subtype;