Function report |
Source Code:fs\namespace.c |
Create Date:2022-07-28 20:09:15 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:copy_tree
Proto:struct mount *copy_tree(struct mount *mnt, struct dentry *dentry, int flag)
Type:struct mount
Parameter:
Type | Parameter | Name |
---|---|---|
struct mount * | mnt | |
struct dentry * | dentry | |
int | flag |
1754 | If Not (flag & CL_COPY_UNBINDABLE) && IS_MNT_UNBINDABLE(mnt) Then Return ERR_PTR( - EINVAL) |
1757 | If Not (flag & CL_COPY_MNT_NS_FILE) && is_mnt_ns_file(dentry) Then Return ERR_PTR( - EINVAL) |
1764 | mnt_mountpoint = mnt_mountpoint |
1769 | If Not is new dentry a subdirectory of old_dentry Then Continue |
1773 | If Not (flag & CL_COPY_UNBINDABLE) && IS_MNT_UNBINDABLE(s) Then |
1784 | If Not (flag & CL_COPY_MNT_NS_FILE) && is_mnt_ns_file( root of the mounted tree ) Then |
1786 | s = skip_mnt_tree(s) |
1787 | Continue |
1789 | When p != mnt_parent cycle |
1790 | p = mnt_parent |
1791 | q = mnt_parent |
1795 | q = clone_mnt(p, root of the mounted tree , flag) |
1798 | lock_mount_hash() |
1801 | unlock_mount_hash() |
1804 | Return res |
1805 | out : |
1806 | If res Then |
1807 | lock_mount_hash() |
1809 | unlock_mount_hash() |
1811 | Return q |
Name | Describe |
---|---|
collect_mounts | Caller should check returned pointer for errors |
__do_loopback | |
copy_mnt_ns | |
propagate_one |
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