Function report | 
Source Code:fs\attr.c | 
Create Date:2022-07-28 20:08:13 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:de_newsize_ok - may this inode be truncated to a given size*@inode: the inode to be truncated*@offset: the new size to assign to the inode* inode_newsize_ok must be called with i_mutex held
Proto:int inode_newsize_ok(const struct inode *inode, loff_t offset)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| const struct inode * | inode | |
| loff_t | offset | 
| 140 | limit = rlimit(RLIMIT_FSIZE) | 
| 141 | If limit != RLIM_INFINITY && offset > limit Then Go to out_sig | 
| 143 | If offset > s_maxbytes Then Go to out_big | 
| 145 | Else | 
| 151 | If IS_SWAPFILE(inode) Then Return -ETXTBSY | 
| 155 | Return 0 | 
| 156 | out_sig : | 
| 157 | send_sig(SIGXFSZ, current process, 0) | 
| 158 | out_big : | 
| 159 | Return -EFBIG | 
| Name | Describe | 
|---|---|
| setattr_prepare | setattr_prepare - check if attribute changes to a dentry are allowed*@dentry: dentry to check*@attr: attributes to change* Check if we are allowed to change the attributes contained in @attr* in the given dentry | 
| generic_cont_expand_simple | lity function for filesystems that need to do work on expanding* truncates. Uses filesystem pagecache writes to allow the filesystem to* deal with the hole. | 
| ramfs_nommu_expand_for_mapping | add a contiguous set of pages into a ramfs inode when it's truncated from* size 0 on the assumption that it's going to be used for an mmap of shared* memory | 
| Source code conversion tool public plug-in interface  | X | 
|---|---|
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