Function report |
Source Code:fs\namei.c |
Create Date:2022-07-28 20:05:03 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Try to skip to top of mountpoint pile in rcuwalk mode. Fail if* we meet a managed dentry that would need blocking.
Proto:static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, struct inode **inode, unsigned *seqp)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
struct nameidata * | nd | |
struct path * | path | |
struct inode ** | inode | |
unsigned * | seqp |
1314 | cycle |
1321 | Case managed_dentry_rcu(path) == -ECHILD |
1322 | Default |
1323 | Return false |
1324 | Case managed_dentry_rcu(path) == -EISDIR |
1325 | Return true |
1326 | Case managed_dentry_rcu(path) == 0 |
1327 | Break |
1330 | If Not d_mountpoint(dentry) Then Return Not ( protected by d_lock & handle automount on this dir ) |
1333 | mounted = __lookup_mnt(mnt, dentry) |
1334 | If Not mounted Then Break |
1337 | dentry = root of the mounted tree |
1338 | flags |= LOOKUP_JUMPED |
1347 | Return Not read_seqretry( & mount_lock, m_seq) && Not ( protected by d_lock & handle automount on this dir ) |
Name | Describe |
---|---|
lookup_fast | |
handle_lookup_down |
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