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| int | gfs2_unstuff_dinode (struct gfs2_inode *ip, struct page *page) |
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| int | gfs2_block_map (struct inode *inode, sector_t lblock, struct buffer_head *bh, int create) |
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| int | gfs2_extent_map (struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *extlen) |
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| int | gfs2_setattr_size (struct inode *inode, u64 size) |
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| void | gfs2_trim_blocks (struct inode *inode) |
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| int | gfs2_truncatei_resume (struct gfs2_inode *ip) |
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| int | gfs2_file_dealloc (struct gfs2_inode *ip) |
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| int | gfs2_write_alloc_required (struct gfs2_inode *ip, u64 offset, unsigned int len) |
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gfs2_block_map - Map a block from an inode to a disk block : The inode : The logical block number : The bh to be mapped : True if its ok to alloc blocks to satify the request
Sets buffer_mapped() if successful, sets buffer_boundary() if a read of metadata will be required before the next block can be mapped. Sets buffer_new() if new blocks were allocated.
Returns: errno
Definition at line 601 of file bmap.c.
gfs2_setattr_size - make a file a given size : the inode : the size to make the file
The file size can grow, shrink, or stay the same size. This is called holding i_mutex and an exclusive glock on the inode in question.
Returns: errno
Definition at line 1230 of file bmap.c.
gfs2_write_alloc_required - figure out if a write will require an allocation : the file being written to : the offset to write to : the number of bytes being written
Returns: 1 if an alloc is required, 0 otherwise
Definition at line 1273 of file bmap.c.
1.8.2